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Finding the Fourth Proportional to 7,125.73, 9,839.55 and 5,354.26

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Solution

The fourth proportional to 7,125.73, 9,839.55 and 5,354.26 is: 7,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.73 : 9,839.55 = 5,354.26 : x
  2. Step 2: Convert to fraction form
    7,125.73/9,839.55 = 5,354.26/x
  3. Step 3: Cross multiply
    7,125.73x = 9,839.55 × 5,354.26
  4. Step 4: Simplify right side
    7,125.73x = 52,683,508.98
  5. Step 5: Solve for x
    x = 52,683,508.98/7,125.73
  6. Step 6: Final answer
    x = 7,393.42

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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.