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Finding the Fourth Proportional to 59,298.70, 81,861.96 and 45,839.56

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Solution

The fourth proportional to 59,298.70, 81,861.96 and 45,839.56 is: 63,281.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,298.70 : 81,861.96 = 45,839.56 : x
  2. Step 2: Convert to fraction form
    59,298.70/81,861.96 = 45,839.56/x
  3. Step 3: Cross multiply
    59,298.70x = 81,861.96 × 45,839.56
  4. Step 4: Simplify right side
    59,298.70x = 3,752,516,227.14
  5. Step 5: Solve for x
    x = 3,752,516,227.14/59,298.70
  6. Step 6: Final answer
    x = 63,281.59

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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.