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Finding the Fourth Proportional to 71,543.71, 98,710.32 and 44,713.48

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Solution

The fourth proportional to 71,543.71, 98,710.32 and 44,713.48 is: 61,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,543.71 : 98,710.32 = 44,713.48 : x
  2. Step 2: Convert to fraction form
    71,543.71/98,710.32 = 44,713.48/x
  3. Step 3: Cross multiply
    71,543.71x = 98,710.32 × 44,713.48
  4. Step 4: Simplify right side
    71,543.71x = 4,413,681,919.11
  5. Step 5: Solve for x
    x = 4,413,681,919.11/71,543.71
  6. Step 6: Final answer
    x = 61,692.10

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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.