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Finding the Fourth Proportional to 17,812.78, 24,582.36 and 9,854.88

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Solution

The fourth proportional to 17,812.78, 24,582.36 and 9,854.88 is: 13,600.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,812.78 : 24,582.36 = 9,854.88 : x
  2. Step 2: Convert to fraction form
    17,812.78/24,582.36 = 9,854.88/x
  3. Step 3: Cross multiply
    17,812.78x = 24,582.36 × 9,854.88
  4. Step 4: Simplify right side
    17,812.78x = 242,256,207.92
  5. Step 5: Solve for x
    x = 242,256,207.92/17,812.78
  6. Step 6: Final answer
    x = 13,600.13

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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.