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Finding the Fourth Proportional to 8,737.48, 13,098.92 and 2,890.90

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Solution

The fourth proportional to 8,737.48, 13,098.92 and 2,890.90 is: 4,333.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,737.48 : 13,098.92 = 2,890.90 : x
  2. Step 2: Convert to fraction form
    8,737.48/13,098.92 = 2,890.90/x
  3. Step 3: Cross multiply
    8,737.48x = 13,098.92 × 2,890.90
  4. Step 4: Simplify right side
    8,737.48x = 37,867,642.31
  5. Step 5: Solve for x
    x = 37,867,642.31/8,737.48
  6. Step 6: Final answer
    x = 4,333.93

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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.