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Finding the Fourth Proportional to 74,034.98, 111,019.08 and 36,580.44

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Solution

The fourth proportional to 74,034.98, 111,019.08 and 36,580.44 is: 54,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,034.98 : 111,019.08 = 36,580.44 : x
  2. Step 2: Convert to fraction form
    74,034.98/111,019.08 = 36,580.44/x
  3. Step 3: Cross multiply
    74,034.98x = 111,019.08 × 36,580.44
  4. Step 4: Simplify right side
    74,034.98x = 4,061,126,794.80
  5. Step 5: Solve for x
    x = 4,061,126,794.80/74,034.98
  6. Step 6: Final answer
    x = 54,854.17

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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.