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Finding the Fourth Proportional to 71,354.84, 98,471.84 and 39,526.70

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Solution

The fourth proportional to 71,354.84, 98,471.84 and 39,526.70 is: 54,548.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,354.84 : 98,471.84 = 39,526.70 : x
  2. Step 2: Convert to fraction form
    71,354.84/98,471.84 = 39,526.70/x
  3. Step 3: Cross multiply
    71,354.84x = 98,471.84 × 39,526.70
  4. Step 4: Simplify right side
    71,354.84x = 3,892,266,188.14
  5. Step 5: Solve for x
    x = 3,892,266,188.14/71,354.84
  6. Step 6: Final answer
    x = 54,548.04

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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.