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Finding the Fourth Proportional to 64,073.57, 88,421.17 and 35,395.20

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Solution

The fourth proportional to 64,073.57, 88,421.17 and 35,395.20 is: 48,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,073.57 : 88,421.17 = 35,395.20 : x
  2. Step 2: Convert to fraction form
    64,073.57/88,421.17 = 35,395.20/x
  3. Step 3: Cross multiply
    64,073.57x = 88,421.17 × 35,395.20
  4. Step 4: Simplify right side
    64,073.57x = 3,129,685,084.87
  5. Step 5: Solve for x
    x = 3,129,685,084.87/64,073.57
  6. Step 6: Final answer
    x = 48,845.18

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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.