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Finding the Fourth Proportional to 7,503.12, 10,344.60 and 5,141.04

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Solution

The fourth proportional to 7,503.12, 10,344.60 and 5,141.04 is: 7,087.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.12 : 10,344.60 = 5,141.04 : x
  2. Step 2: Convert to fraction form
    7,503.12/10,344.60 = 5,141.04/x
  3. Step 3: Cross multiply
    7,503.12x = 10,344.60 × 5,141.04
  4. Step 4: Simplify right side
    7,503.12x = 53,182,002.38
  5. Step 5: Solve for x
    x = 53,182,002.38/7,503.12
  6. Step 6: Final answer
    x = 7,087.99

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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.