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Finding the Fourth Proportional to 8,802.47, 13,204.80 and 2,879.96

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Solution

The fourth proportional to 8,802.47, 13,204.80 and 2,879.96 is: 4,320.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.47 : 13,204.80 = 2,879.96 : x
  2. Step 2: Convert to fraction form
    8,802.47/13,204.80 = 2,879.96/x
  3. Step 3: Cross multiply
    8,802.47x = 13,204.80 × 2,879.96
  4. Step 4: Simplify right side
    8,802.47x = 38,029,295.81
  5. Step 5: Solve for x
    x = 38,029,295.81/8,802.47
  6. Step 6: Final answer
    x = 4,320.30

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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.