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Finding the Fourth Proportional to 7,389.87, 10,116.39 and 7,337.12

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Solution

The fourth proportional to 7,389.87, 10,116.39 and 7,337.12 is: 10,044.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,389.87 : 10,116.39 = 7,337.12 : x
  2. Step 2: Convert to fraction form
    7,389.87/10,116.39 = 7,337.12/x
  3. Step 3: Cross multiply
    7,389.87x = 10,116.39 × 7,337.12
  4. Step 4: Simplify right side
    7,389.87x = 74,225,144.33
  5. Step 5: Solve for x
    x = 74,225,144.33/7,389.87
  6. Step 6: Final answer
    x = 10,044.18

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.