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Finding the Fourth Proportional to 17,276.13, 25,919.46 and 8,962.11

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Solution

The fourth proportional to 17,276.13, 25,919.46 and 8,962.11 is: 13,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.13 : 25,919.46 = 8,962.11 : x
  2. Step 2: Convert to fraction form
    17,276.13/25,919.46 = 8,962.11/x
  3. Step 3: Cross multiply
    17,276.13x = 25,919.46 × 8,962.11
  4. Step 4: Simplify right side
    17,276.13x = 232,293,051.66
  5. Step 5: Solve for x
    x = 232,293,051.66/17,276.13
  6. Step 6: Final answer
    x = 13,445.90

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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.