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Finding the Fourth Proportional to 55,538.60, 83,307.83 and 18,098.62

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Solution

The fourth proportional to 55,538.60, 83,307.83 and 18,098.62 is: 27,147.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,538.60 : 83,307.83 = 18,098.62 : x
  2. Step 2: Convert to fraction form
    55,538.60/83,307.83 = 18,098.62/x
  3. Step 3: Cross multiply
    55,538.60x = 83,307.83 × 18,098.62
  4. Step 4: Simplify right side
    55,538.60x = 1,507,756,595.17
  5. Step 5: Solve for x
    x = 1,507,756,595.17/55,538.60
  6. Step 6: Final answer
    x = 27,147.90

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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.