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Finding the Fourth Proportional to 29,323.44, 40,466.42 and 15,894.63

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Solution

The fourth proportional to 29,323.44, 40,466.42 and 15,894.63 is: 21,934.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,323.44 : 40,466.42 = 15,894.63 : x
  2. Step 2: Convert to fraction form
    29,323.44/40,466.42 = 15,894.63/x
  3. Step 3: Cross multiply
    29,323.44x = 40,466.42 × 15,894.63
  4. Step 4: Simplify right side
    29,323.44x = 643,198,693.85
  5. Step 5: Solve for x
    x = 643,198,693.85/29,323.44
  6. Step 6: Final answer
    x = 21,934.63

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Half scale
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Double scale
Find fourth proportional to 29,324.44, 40,467.80 and 15,895.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.