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Finding the Fourth Proportional to 17,672.88, 24,387.60 and 10,869.52

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Solution

The fourth proportional to 17,672.88, 24,387.60 and 10,869.52 is: 14,999.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,672.88 : 24,387.60 = 10,869.52 : x
  2. Step 2: Convert to fraction form
    17,672.88/24,387.60 = 10,869.52/x
  3. Step 3: Cross multiply
    17,672.88x = 24,387.60 × 10,869.52
  4. Step 4: Simplify right side
    17,672.88x = 265,081,505.95
  5. Step 5: Solve for x
    x = 265,081,505.95/17,672.88
  6. Step 6: Final answer
    x = 14,999.34

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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.