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Finding the Fourth Proportional to 55,597.25, 83,404.52 and 18,669.89

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Solution

The fourth proportional to 55,597.25, 83,404.52 and 18,669.89 is: 28,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.25 : 83,404.52 = 18,669.89 : x
  2. Step 2: Convert to fraction form
    55,597.25/83,404.52 = 18,669.89/x
  3. Step 3: Cross multiply
    55,597.25x = 83,404.52 × 18,669.89
  4. Step 4: Simplify right side
    55,597.25x = 1,557,153,120.55
  5. Step 5: Solve for x
    x = 1,557,153,120.55/55,597.25
  6. Step 6: Final answer
    x = 28,007.74

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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.