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Finding the Fourth Proportional to 17,672.47, 24,385.65 and 10,955.65

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Solution

The fourth proportional to 17,672.47, 24,385.65 and 10,955.65 is: 15,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.47 : 24,385.65 = 10,955.65 : x
  2. Step 2: Convert to fraction form
    17,672.47/24,385.65 = 10,955.65/x
  3. Step 3: Cross multiply
    17,672.47x = 24,385.65 × 10,955.65
  4. Step 4: Simplify right side
    17,672.47x = 267,160,469.72
  5. Step 5: Solve for x
    x = 267,160,469.72/17,672.47
  6. Step 6: Final answer
    x = 15,117.32

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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.