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Finding the Fourth Proportional to 3,737.15, 5,605.71 and 1,140.08

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Solution

The fourth proportional to 3,737.15, 5,605.71 and 1,140.08 is: 1,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,737.15 : 5,605.71 = 1,140.08 : x
  2. Step 2: Convert to fraction form
    3,737.15/5,605.71 = 1,140.08/x
  3. Step 3: Cross multiply
    3,737.15x = 5,605.71 × 1,140.08
  4. Step 4: Simplify right side
    3,737.15x = 6,390,957.86
  5. Step 5: Solve for x
    x = 6,390,957.86/3,737.15
  6. Step 6: Final answer
    x = 1,710.12

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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.