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Finding the Fourth Proportional to 7,155.77, 10,737.09 and 3,693.02

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Solution

The fourth proportional to 7,155.77, 10,737.09 and 3,693.02 is: 5,541.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.77 : 10,737.09 = 3,693.02 : x
  2. Step 2: Convert to fraction form
    7,155.77/10,737.09 = 3,693.02/x
  3. Step 3: Cross multiply
    7,155.77x = 10,737.09 × 3,693.02
  4. Step 4: Simplify right side
    7,155.77x = 39,652,234.43
  5. Step 5: Solve for x
    x = 39,652,234.43/7,155.77
  6. Step 6: Final answer
    x = 5,541.30

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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.