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Finding the Fourth Proportional to 17,691.58, 24,414.79 and 9,625.69

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Solution

The fourth proportional to 17,691.58, 24,414.79 and 9,625.69 is: 13,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,691.58 : 24,414.79 = 9,625.69 : x
  2. Step 2: Convert to fraction form
    17,691.58/24,414.79 = 9,625.69/x
  3. Step 3: Cross multiply
    17,691.58x = 24,414.79 × 9,625.69
  4. Step 4: Simplify right side
    17,691.58x = 235,009,151.83
  5. Step 5: Solve for x
    x = 235,009,151.83/17,691.58
  6. Step 6: Final answer
    x = 13,283.67

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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.