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Finding the Fourth Proportional to 66,711.78, 100,050.66 and 27,261.54

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Solution

The fourth proportional to 66,711.78, 100,050.66 and 27,261.54 is: 40,885.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,711.78 : 100,050.66 = 27,261.54 : x
  2. Step 2: Convert to fraction form
    66,711.78/100,050.66 = 27,261.54/x
  3. Step 3: Cross multiply
    66,711.78x = 100,050.66 × 27,261.54
  4. Step 4: Simplify right side
    66,711.78x = 2,727,535,069.62
  5. Step 5: Solve for x
    x = 2,727,535,069.62/66,711.78
  6. Step 6: Final answer
    x = 40,885.36

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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.