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Finding the Fourth Proportional to 55,170.56, 82,657.02 and 35,400.08

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Solution

The fourth proportional to 55,170.56, 82,657.02 and 35,400.08 is: 53,036.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,170.56 : 82,657.02 = 35,400.08 : x
  2. Step 2: Convert to fraction form
    55,170.56/82,657.02 = 35,400.08/x
  3. Step 3: Cross multiply
    55,170.56x = 82,657.02 × 35,400.08
  4. Step 4: Simplify right side
    55,170.56x = 2,926,065,120.56
  5. Step 5: Solve for x
    x = 2,926,065,120.56/55,170.56
  6. Step 6: Final answer
    x = 53,036.71

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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.