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Finding the Fourth Proportional to 17,913.30, 26,860.68 and 8,044.12

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Solution

The fourth proportional to 17,913.30, 26,860.68 and 8,044.12 is: 12,062.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.30 : 26,860.68 = 8,044.12 : x
  2. Step 2: Convert to fraction form
    17,913.30/26,860.68 = 8,044.12/x
  3. Step 3: Cross multiply
    17,913.30x = 26,860.68 × 8,044.12
  4. Step 4: Simplify right side
    17,913.30x = 216,070,533.20
  5. Step 5: Solve for x
    x = 216,070,533.20/17,913.30
  6. Step 6: Final answer
    x = 12,062.02

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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.