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Finding the Fourth Proportional to 71,363.35, 98,474.24 and 39,526.30

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Solution

The fourth proportional to 71,363.35, 98,474.24 and 39,526.30 is: 54,542.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,363.35 : 98,474.24 = 39,526.30 : x
  2. Step 2: Convert to fraction form
    71,363.35/98,474.24 = 39,526.30/x
  3. Step 3: Cross multiply
    71,363.35x = 98,474.24 × 39,526.30
  4. Step 4: Simplify right side
    71,363.35x = 3,892,322,574.42
  5. Step 5: Solve for x
    x = 3,892,322,574.42/71,363.35
  6. Step 6: Final answer
    x = 54,542.32

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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.