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Finding the Fourth Proportional to 8,802.66, 13,203.18 and 4,423.02

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Solution

The fourth proportional to 8,802.66, 13,203.18 and 4,423.02 is: 6,634.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,802.66 : 13,203.18 = 4,423.02 : x
  2. Step 2: Convert to fraction form
    8,802.66/13,203.18 = 4,423.02/x
  3. Step 3: Cross multiply
    8,802.66x = 13,203.18 × 4,423.02
  4. Step 4: Simplify right side
    8,802.66x = 58,397,929.20
  5. Step 5: Solve for x
    x = 58,397,929.20/8,802.66
  6. Step 6: Final answer
    x = 6,634.12

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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.