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Finding the Fourth Proportional to 59,438.92, 89,173.86 and 17,318.04

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Solution

The fourth proportional to 59,438.92, 89,173.86 and 17,318.04 is: 25,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,438.92 : 89,173.86 = 17,318.04 : x
  2. Step 2: Convert to fraction form
    59,438.92/89,173.86 = 17,318.04/x
  3. Step 3: Cross multiply
    59,438.92x = 89,173.86 × 17,318.04
  4. Step 4: Simplify right side
    59,438.92x = 1,544,316,474.43
  5. Step 5: Solve for x
    x = 1,544,316,474.43/59,438.92
  6. Step 6: Final answer
    x = 25,981.57

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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.