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Finding the Fourth Proportional to 55,057.05, 82,585.58 and 55,057.05

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Solution

The fourth proportional to 55,057.05, 82,585.58 and 55,057.05 is: 82,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,057.05 : 82,585.58 = 55,057.05 : x
  2. Step 2: Convert to fraction form
    55,057.05/82,585.58 = 55,057.05/x
  3. Step 3: Cross multiply
    55,057.05x = 82,585.58 × 55,057.05
  4. Step 4: Simplify right side
    55,057.05x = 4,546,918,132.05
  5. Step 5: Solve for x
    x = 4,546,918,132.05/55,057.05
  6. Step 6: Final answer
    x = 82,585.58

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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.