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Finding the Fourth Proportional to 28,801.64, 43,202.46 and 16,481

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Solution

The fourth proportional to 28,801.64, 43,202.46 and 16,481 is: 24,721.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.64 : 43,202.46 = 16,481 : x
  2. Step 2: Convert to fraction form
    28,801.64/43,202.46 = 16,481/x
  3. Step 3: Cross multiply
    28,801.64x = 43,202.46 × 16,481
  4. Step 4: Simplify right side
    28,801.64x = 712,019,743.26
  5. Step 5: Solve for x
    x = 712,019,743.26/28,801.64
  6. Step 6: Final answer
    x = 24,721.50

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Similar ratio
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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.