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Finding the Fourth Proportional to 62,886.80, 86,796.10 and 36,047.28

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Solution

The fourth proportional to 62,886.80, 86,796.10 and 36,047.28 is: 49,752.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,886.80 : 86,796.10 = 36,047.28 : x
  2. Step 2: Convert to fraction form
    62,886.80/86,796.10 = 36,047.28/x
  3. Step 3: Cross multiply
    62,886.80x = 86,796.10 × 36,047.28
  4. Step 4: Simplify right side
    62,886.80x = 3,128,763,319.61
  5. Step 5: Solve for x
    x = 3,128,763,319.61/62,886.80
  6. Step 6: Final answer
    x = 49,752.31

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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.