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Finding the Fourth Proportional to 72,037.04, 99,366.92 and 47,839.04

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Solution

The fourth proportional to 72,037.04, 99,366.92 and 47,839.04 is: 65,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,037.04 : 99,366.92 = 47,839.04 : x
  2. Step 2: Convert to fraction form
    72,037.04/99,366.92 = 47,839.04/x
  3. Step 3: Cross multiply
    72,037.04x = 99,366.92 × 47,839.04
  4. Step 4: Simplify right side
    72,037.04x = 4,753,618,060.56
  5. Step 5: Solve for x
    x = 4,753,618,060.56/72,037.04
  6. Step 6: Final answer
    x = 65,988.53

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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.