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Finding the Fourth Proportional to 17,603.67, 24,273.12 and 11,221.74

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Solution

The fourth proportional to 17,603.67, 24,273.12 and 11,221.74 is: 15,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,603.67 : 24,273.12 = 11,221.74 : x
  2. Step 2: Convert to fraction form
    17,603.67/24,273.12 = 11,221.74/x
  3. Step 3: Cross multiply
    17,603.67x = 24,273.12 × 11,221.74
  4. Step 4: Simplify right side
    17,603.67x = 272,386,641.63
  5. Step 5: Solve for x
    x = 272,386,641.63/17,603.67
  6. Step 6: Final answer
    x = 15,473.29

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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.