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Finding the Fourth Proportional to 66,679.35, 100,097.17 and 52,648.84

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Solution

The fourth proportional to 66,679.35, 100,097.17 and 52,648.84 is: 79,034.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,679.35 : 100,097.17 = 52,648.84 : x
  2. Step 2: Convert to fraction form
    66,679.35/100,097.17 = 52,648.84/x
  3. Step 3: Cross multiply
    66,679.35x = 100,097.17 × 52,648.84
  4. Step 4: Simplify right side
    66,679.35x = 5,269,999,318.24
  5. Step 5: Solve for x
    x = 5,269,999,318.24/66,679.35
  6. Step 6: Final answer
    x = 79,034.95

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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.