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Finding the Fourth Proportional to 22,985.76, 34,476.82 and 7,193.19

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Solution

The fourth proportional to 22,985.76, 34,476.82 and 7,193.19 is: 10,789.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,985.76 : 34,476.82 = 7,193.19 : x
  2. Step 2: Convert to fraction form
    22,985.76/34,476.82 = 7,193.19/x
  3. Step 3: Cross multiply
    22,985.76x = 34,476.82 × 7,193.19
  4. Step 4: Simplify right side
    22,985.76x = 247,998,316.86
  5. Step 5: Solve for x
    x = 247,998,316.86/22,985.76
  6. Step 6: Final answer
    x = 10,789.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.