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Finding the Fourth Proportional to 63,812.99, 95,724.35 and 19,443.53

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Solution

The fourth proportional to 63,812.99, 95,724.35 and 19,443.53 is: 29,166.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,812.99 : 95,724.35 = 19,443.53 : x
  2. Step 2: Convert to fraction form
    63,812.99/95,724.35 = 19,443.53/x
  3. Step 3: Cross multiply
    63,812.99x = 95,724.35 × 19,443.53
  4. Step 4: Simplify right side
    63,812.99x = 1,861,218,695.12
  5. Step 5: Solve for x
    x = 1,861,218,695.12/63,812.99
  6. Step 6: Final answer
    x = 29,166.77

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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.