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Finding the Fourth Proportional to 90,397.62, 135,581.00 and 23,838.39

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Solution

The fourth proportional to 90,397.62, 135,581.00 and 23,838.39 is: 35,753.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,397.62 : 135,581.00 = 23,838.39 : x
  2. Step 2: Convert to fraction form
    90,397.62/135,581.00 = 23,838.39/x
  3. Step 3: Cross multiply
    90,397.62x = 135,581.00 × 23,838.39
  4. Step 4: Simplify right side
    90,397.62x = 3,232,032,635.40
  5. Step 5: Solve for x
    x = 3,232,032,635.40/90,397.62
  6. Step 6: Final answer
    x = 35,753.51

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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.