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Finding the Fourth Proportional to 18,080.64, 24,965.28 and 14,560.38

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Solution

The fourth proportional to 18,080.64, 24,965.28 and 14,560.38 is: 20,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.64 : 24,965.28 = 14,560.38 : x
  2. Step 2: Convert to fraction form
    18,080.64/24,965.28 = 14,560.38/x
  3. Step 3: Cross multiply
    18,080.64x = 24,965.28 × 14,560.38
  4. Step 4: Simplify right side
    18,080.64x = 363,503,963.61
  5. Step 5: Solve for x
    x = 363,503,963.61/18,080.64
  6. Step 6: Final answer
    x = 20,104.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.