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Finding the Fourth Proportional to 71,381.59, 98,613.24 and 46,910.28

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Solution

The fourth proportional to 71,381.59, 98,613.24 and 46,910.28 is: 64,806.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,381.59 : 98,613.24 = 46,910.28 : x
  2. Step 2: Convert to fraction form
    71,381.59/98,613.24 = 46,910.28/x
  3. Step 3: Cross multiply
    71,381.59x = 98,613.24 × 46,910.28
  4. Step 4: Simplify right side
    71,381.59x = 4,625,974,700.11
  5. Step 5: Solve for x
    x = 4,625,974,700.11/71,381.59
  6. Step 6: Final answer
    x = 64,806.27

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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.