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Finding the Fourth Proportional to 59,651.64, 89,471.70 and 30,057.72

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Solution

The fourth proportional to 59,651.64, 89,471.70 and 30,057.72 is: 45,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,651.64 : 89,471.70 = 30,057.72 : x
  2. Step 2: Convert to fraction form
    59,651.64/89,471.70 = 30,057.72/x
  3. Step 3: Cross multiply
    59,651.64x = 89,471.70 × 30,057.72
  4. Step 4: Simplify right side
    59,651.64x = 2,689,315,306.52
  5. Step 5: Solve for x
    x = 2,689,315,306.52/59,651.64
  6. Step 6: Final answer
    x = 45,083.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.