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Finding the Fourth Proportional to 17,276.64, 25,881.06 and 8,962.08

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Solution

The fourth proportional to 17,276.64, 25,881.06 and 8,962.08 is: 13,425.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,276.64 : 25,881.06 = 8,962.08 : x
  2. Step 2: Convert to fraction form
    17,276.64/25,881.06 = 8,962.08/x
  3. Step 3: Cross multiply
    17,276.64x = 25,881.06 × 8,962.08
  4. Step 4: Simplify right side
    17,276.64x = 231,948,130.20
  5. Step 5: Solve for x
    x = 231,948,130.20/17,276.64
  6. Step 6: Final answer
    x = 13,425.53

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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.