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Finding the Fourth Proportional to 15,672.38, 23,491.97 and 7,345.38

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Solution

The fourth proportional to 15,672.38, 23,491.97 and 7,345.38 is: 11,010.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.38 : 23,491.97 = 7,345.38 : x
  2. Step 2: Convert to fraction form
    15,672.38/23,491.97 = 7,345.38/x
  3. Step 3: Cross multiply
    15,672.38x = 23,491.97 × 7,345.38
  4. Step 4: Simplify right side
    15,672.38x = 172,557,446.60
  5. Step 5: Solve for x
    x = 172,557,446.60/15,672.38
  6. Step 6: Final answer
    x = 11,010.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.