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Finding the Fourth Proportional to 73,613.73, 101,586.98 and 40,079.73

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Solution

The fourth proportional to 73,613.73, 101,586.98 and 40,079.73 is: 55,310.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,613.73 : 101,586.98 = 40,079.73 : x
  2. Step 2: Convert to fraction form
    73,613.73/101,586.98 = 40,079.73/x
  3. Step 3: Cross multiply
    73,613.73x = 101,586.98 × 40,079.73
  4. Step 4: Simplify right side
    73,613.73x = 4,071,578,729.92
  5. Step 5: Solve for x
    x = 4,071,578,729.92/73,613.73
  6. Step 6: Final answer
    x = 55,310.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.