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Finding the Fourth Proportional to 9,368.68, 12,930.13 and 5,592

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Solution

The fourth proportional to 9,368.68, 12,930.13 and 5,592 is: 7,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,368.68 : 12,930.13 = 5,592 : x
  2. Step 2: Convert to fraction form
    9,368.68/12,930.13 = 5,592/x
  3. Step 3: Cross multiply
    9,368.68x = 12,930.13 × 5,592
  4. Step 4: Simplify right side
    9,368.68x = 72,305,286.96
  5. Step 5: Solve for x
    x = 72,305,286.96/9,368.68
  6. Step 6: Final answer
    x = 7,717.77

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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.