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Finding the Fourth Proportional to 62,188.80, 93,282.76 and 17,815.60

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Solution

The fourth proportional to 62,188.80, 93,282.76 and 17,815.60 is: 26,723.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,188.80 : 93,282.76 = 17,815.60 : x
  2. Step 2: Convert to fraction form
    62,188.80/93,282.76 = 17,815.60/x
  3. Step 3: Cross multiply
    62,188.80x = 93,282.76 × 17,815.60
  4. Step 4: Simplify right side
    62,188.80x = 1,661,888,339.06
  5. Step 5: Solve for x
    x = 1,661,888,339.06/62,188.80
  6. Step 6: Final answer
    x = 26,723.27

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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.