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Finding the Fourth Proportional to 58,841.66, 81,200.70 and 31,983.56

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Solution

The fourth proportional to 58,841.66, 81,200.70 and 31,983.56 is: 44,136.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,841.66 : 81,200.70 = 31,983.56 : x
  2. Step 2: Convert to fraction form
    58,841.66/81,200.70 = 31,983.56/x
  3. Step 3: Cross multiply
    58,841.66x = 81,200.70 × 31,983.56
  4. Step 4: Simplify right side
    58,841.66x = 2,597,087,460.49
  5. Step 5: Solve for x
    x = 2,597,087,460.49/58,841.66
  6. Step 6: Final answer
    x = 44,136.88

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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.