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Finding the Fourth Proportional to 8,752.59, 13,127.13 and 3,485.97

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Solution

The fourth proportional to 8,752.59, 13,127.13 and 3,485.97 is: 5,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.59 : 13,127.13 = 3,485.97 : x
  2. Step 2: Convert to fraction form
    8,752.59/13,127.13 = 3,485.97/x
  3. Step 3: Cross multiply
    8,752.59x = 13,127.13 × 3,485.97
  4. Step 4: Simplify right side
    8,752.59x = 45,760,781.37
  5. Step 5: Solve for x
    x = 45,760,781.37/8,752.59
  6. Step 6: Final answer
    x = 5,228.26

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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.