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Finding the Fourth Proportional to 5,006.61, 6,908.90 and 2,737.91

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Solution

The fourth proportional to 5,006.61, 6,908.90 and 2,737.91 is: 3,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,006.61 : 6,908.90 = 2,737.91 : x
  2. Step 2: Convert to fraction form
    5,006.61/6,908.90 = 2,737.91/x
  3. Step 3: Cross multiply
    5,006.61x = 6,908.90 × 2,737.91
  4. Step 4: Simplify right side
    5,006.61x = 18,915,946.40
  5. Step 5: Solve for x
    x = 18,915,946.40/5,006.61
  6. Step 6: Final answer
    x = 3,778.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.