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Finding the Fourth Proportional to 31,564.52, 47,353.26 and 9,375.92

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Solution

The fourth proportional to 31,564.52, 47,353.26 and 9,375.92 is: 14,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,564.52 : 47,353.26 = 9,375.92 : x
  2. Step 2: Convert to fraction form
    31,564.52/47,353.26 = 9,375.92/x
  3. Step 3: Cross multiply
    31,564.52x = 47,353.26 × 9,375.92
  4. Step 4: Simplify right side
    31,564.52x = 443,980,377.50
  5. Step 5: Solve for x
    x = 443,980,377.50/31,564.52
  6. Step 6: Final answer
    x = 14,065.80

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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.