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Finding the Fourth Proportional to 22,401.76, 33,602.59 and 6,617.87

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Solution

The fourth proportional to 22,401.76, 33,602.59 and 6,617.87 is: 9,926.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,401.76 : 33,602.59 = 6,617.87 : x
  2. Step 2: Convert to fraction form
    22,401.76/33,602.59 = 6,617.87/x
  3. Step 3: Cross multiply
    22,401.76x = 33,602.59 × 6,617.87
  4. Step 4: Simplify right side
    22,401.76x = 222,377,567.19
  5. Step 5: Solve for x
    x = 222,377,567.19/22,401.76
  6. Step 6: Final answer
    x = 9,926.79

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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.