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Finding the Fourth Proportional to 9,369.38, 12,929.82 and 7,376.24

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Solution

The fourth proportional to 9,369.38, 12,929.82 and 7,376.24 is: 10,179.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.38 : 12,929.82 = 7,376.24 : x
  2. Step 2: Convert to fraction form
    9,369.38/12,929.82 = 7,376.24/x
  3. Step 3: Cross multiply
    9,369.38x = 12,929.82 × 7,376.24
  4. Step 4: Simplify right side
    9,369.38x = 95,373,455.48
  5. Step 5: Solve for x
    x = 95,373,455.48/9,369.38
  6. Step 6: Final answer
    x = 10,179.27

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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.