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Finding the Fourth Proportional to 31,131.52, 46,691.52 and 10,349.44

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Solution

The fourth proportional to 31,131.52, 46,691.52 and 10,349.44 is: 15,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,131.52 : 46,691.52 = 10,349.44 : x
  2. Step 2: Convert to fraction form
    31,131.52/46,691.52 = 10,349.44/x
  3. Step 3: Cross multiply
    31,131.52x = 46,691.52 × 10,349.44
  4. Step 4: Simplify right side
    31,131.52x = 483,231,084.75
  5. Step 5: Solve for x
    x = 483,231,084.75/31,131.52
  6. Step 6: Final answer
    x = 15,522.25

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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.