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Finding the Fourth Proportional to 90,572.28, 135,815.10 and 33,607.08

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Solution

The fourth proportional to 90,572.28, 135,815.10 and 33,607.08 is: 50,394.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,572.28 : 135,815.10 = 33,607.08 : x
  2. Step 2: Convert to fraction form
    90,572.28/135,815.10 = 33,607.08/x
  3. Step 3: Cross multiply
    90,572.28x = 135,815.10 × 33,607.08
  4. Step 4: Simplify right side
    90,572.28x = 4,564,348,930.91
  5. Step 5: Solve for x
    x = 4,564,348,930.91/90,572.28
  6. Step 6: Final answer
    x = 50,394.55

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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.