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Finding the Fourth Proportional to 62,884.48, 86,760 and 36,030.08

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Solution

The fourth proportional to 62,884.48, 86,760 and 36,030.08 is: 49,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,884.48 : 86,760 = 36,030.08 : x
  2. Step 2: Convert to fraction form
    62,884.48/86,760 = 36,030.08/x
  3. Step 3: Cross multiply
    62,884.48x = 86,760 × 36,030.08
  4. Step 4: Simplify right side
    62,884.48x = 3,125,969,740.80
  5. Step 5: Solve for x
    x = 3,125,969,740.80/62,884.48
  6. Step 6: Final answer
    x = 49,709.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.