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Finding the Fourth Proportional to 89,593.78, 134,296.90 and 33,411.28

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Solution

The fourth proportional to 89,593.78, 134,296.90 and 33,411.28 is: 50,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,593.78 : 134,296.90 = 33,411.28 : x
  2. Step 2: Convert to fraction form
    89,593.78/134,296.90 = 33,411.28/x
  3. Step 3: Cross multiply
    89,593.78x = 134,296.90 × 33,411.28
  4. Step 4: Simplify right side
    89,593.78x = 4,487,031,329.03
  5. Step 5: Solve for x
    x = 4,487,031,329.03/89,593.78
  6. Step 6: Final answer
    x = 50,081.95

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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.