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Finding the Fourth Proportional to 31,487.52, 47,223.08 and 14,843.14

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Solution

The fourth proportional to 31,487.52, 47,223.08 and 14,843.14 is: 22,260.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,487.52 : 47,223.08 = 14,843.14 : x
  2. Step 2: Convert to fraction form
    31,487.52/47,223.08 = 14,843.14/x
  3. Step 3: Cross multiply
    31,487.52x = 47,223.08 × 14,843.14
  4. Step 4: Simplify right side
    31,487.52x = 700,938,787.67
  5. Step 5: Solve for x
    x = 700,938,787.67/31,487.52
  6. Step 6: Final answer
    x = 22,260.84

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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.