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Finding the Fourth Proportional to 16,354.05, 24,531.96 and 5,259.90

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Solution

The fourth proportional to 16,354.05, 24,531.96 and 5,259.90 is: 7,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,354.05 : 24,531.96 = 5,259.90 : x
  2. Step 2: Convert to fraction form
    16,354.05/24,531.96 = 5,259.90/x
  3. Step 3: Cross multiply
    16,354.05x = 24,531.96 × 5,259.90
  4. Step 4: Simplify right side
    16,354.05x = 129,035,656.40
  5. Step 5: Solve for x
    x = 129,035,656.40/16,354.05
  6. Step 6: Final answer
    x = 7,890.13

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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.