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Finding the Fourth Proportional to 63,381.52, 95,065.08 and 16,638.04

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Solution

The fourth proportional to 63,381.52, 95,065.08 and 16,638.04 is: 24,955.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,381.52 : 95,065.08 = 16,638.04 : x
  2. Step 2: Convert to fraction form
    63,381.52/95,065.08 = 16,638.04/x
  3. Step 3: Cross multiply
    63,381.52x = 95,065.08 × 16,638.04
  4. Step 4: Simplify right side
    63,381.52x = 1,581,696,603.64
  5. Step 5: Solve for x
    x = 1,581,696,603.64/63,381.52
  6. Step 6: Final answer
    x = 24,955.17

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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.