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Finding the Fourth Proportional to 89,753.40, 134,630.10 and 26,575.80

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Solution

The fourth proportional to 89,753.40, 134,630.10 and 26,575.80 is: 39,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,753.40 : 134,630.10 = 26,575.80 : x
  2. Step 2: Convert to fraction form
    89,753.40/134,630.10 = 26,575.80/x
  3. Step 3: Cross multiply
    89,753.40x = 134,630.10 × 26,575.80
  4. Step 4: Simplify right side
    89,753.40x = 3,577,902,611.58
  5. Step 5: Solve for x
    x = 3,577,902,611.58/89,753.40
  6. Step 6: Final answer
    x = 39,863.70

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Similar ratio
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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.