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Finding the Fourth Proportional to 66,471.71, 99,624.39 and 33,201.06

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Solution

The fourth proportional to 66,471.71, 99,624.39 and 33,201.06 is: 49,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,471.71 : 99,624.39 = 33,201.06 : x
  2. Step 2: Convert to fraction form
    66,471.71/99,624.39 = 33,201.06/x
  3. Step 3: Cross multiply
    66,471.71x = 99,624.39 × 33,201.06
  4. Step 4: Simplify right side
    66,471.71x = 3,307,635,349.85
  5. Step 5: Solve for x
    x = 3,307,635,349.85/66,471.71
  6. Step 6: Final answer
    x = 49,760.05

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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.