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Finding the Fourth Proportional to 89,520.88, 134,253.82 and 29,538.28

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Solution

The fourth proportional to 89,520.88, 134,253.82 and 29,538.28 is: 44,298.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,520.88 : 134,253.82 = 29,538.28 : x
  2. Step 2: Convert to fraction form
    89,520.88/134,253.82 = 29,538.28/x
  3. Step 3: Cross multiply
    89,520.88x = 134,253.82 × 29,538.28
  4. Step 4: Simplify right side
    89,520.88x = 3,965,626,926.23
  5. Step 5: Solve for x
    x = 3,965,626,926.23/89,520.88
  6. Step 6: Final answer
    x = 44,298.35

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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.