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Finding the Fourth Proportional to 59,098.83, 81,586.49 and 45,639.87

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Solution

The fourth proportional to 59,098.83, 81,586.49 and 45,639.87 is: 63,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,098.83 : 81,586.49 = 45,639.87 : x
  2. Step 2: Convert to fraction form
    59,098.83/81,586.49 = 45,639.87/x
  3. Step 3: Cross multiply
    59,098.83x = 81,586.49 × 45,639.87
  4. Step 4: Simplify right side
    59,098.83x = 3,723,596,569.16
  5. Step 5: Solve for x
    x = 3,723,596,569.16/59,098.83
  6. Step 6: Final answer
    x = 63,006.27

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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.