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Finding the Fourth Proportional to 29,853.01, 40,930.16 and 29,319.92

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Solution

The fourth proportional to 29,853.01, 40,930.16 and 29,319.92 is: 40,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,853.01 : 40,930.16 = 29,319.92 : x
  2. Step 2: Convert to fraction form
    29,853.01/40,930.16 = 29,319.92/x
  3. Step 3: Cross multiply
    29,853.01x = 40,930.16 × 29,319.92
  4. Step 4: Simplify right side
    29,853.01x = 1,200,069,214.18
  5. Step 5: Solve for x
    x = 1,200,069,214.18/29,853.01
  6. Step 6: Final answer
    x = 40,199.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.