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Finding the Fourth Proportional to 5,737.36, 7,918.88 and 3,744.40

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Solution

The fourth proportional to 5,737.36, 7,918.88 and 3,744.40 is: 5,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,737.36 : 7,918.88 = 3,744.40 : x
  2. Step 2: Convert to fraction form
    5,737.36/7,918.88 = 3,744.40/x
  3. Step 3: Cross multiply
    5,737.36x = 7,918.88 × 3,744.40
  4. Step 4: Simplify right side
    5,737.36x = 29,651,454.27
  5. Step 5: Solve for x
    x = 29,651,454.27/5,737.36
  6. Step 6: Final answer
    x = 5,168.14

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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.