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Finding the Fourth Proportional to 60,279.58, 90,436.96 and 26,991.86

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Solution

The fourth proportional to 60,279.58, 90,436.96 and 26,991.86 is: 40,495.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,279.58 : 90,436.96 = 26,991.86 : x
  2. Step 2: Convert to fraction form
    60,279.58/90,436.96 = 26,991.86/x
  3. Step 3: Cross multiply
    60,279.58x = 90,436.96 × 26,991.86
  4. Step 4: Simplify right side
    60,279.58x = 2,441,061,344.70
  5. Step 5: Solve for x
    x = 2,441,061,344.70/60,279.58
  6. Step 6: Final answer
    x = 40,495.66

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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.