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Finding the Fourth Proportional to 7,574.54, 10,452.12 and 4,217.23

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Solution

The fourth proportional to 7,574.54, 10,452.12 and 4,217.23 is: 5,819.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.54 : 10,452.12 = 4,217.23 : x
  2. Step 2: Convert to fraction form
    7,574.54/10,452.12 = 4,217.23/x
  3. Step 3: Cross multiply
    7,574.54x = 10,452.12 × 4,217.23
  4. Step 4: Simplify right side
    7,574.54x = 44,078,941.77
  5. Step 5: Solve for x
    x = 44,078,941.77/7,574.54
  6. Step 6: Final answer
    x = 5,819.36

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Half scale
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Double scale
Find fourth proportional to 7,575.54, 10,453.50 and 4,218.23
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.