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Finding the Fourth Proportional to 8,943.60, 13,416.12 and 5,044.08

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Solution

The fourth proportional to 8,943.60, 13,416.12 and 5,044.08 is: 7,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.60 : 13,416.12 = 5,044.08 : x
  2. Step 2: Convert to fraction form
    8,943.60/13,416.12 = 5,044.08/x
  3. Step 3: Cross multiply
    8,943.60x = 13,416.12 × 5,044.08
  4. Step 4: Simplify right side
    8,943.60x = 67,671,982.57
  5. Step 5: Solve for x
    x = 67,671,982.57/8,943.60
  6. Step 6: Final answer
    x = 7,566.53

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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.