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Finding the Fourth Proportional to 8,304.88, 12,459.34 and 2,381.88

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Solution

The fourth proportional to 8,304.88, 12,459.34 and 2,381.88 is: 3,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,304.88 : 12,459.34 = 2,381.88 : x
  2. Step 2: Convert to fraction form
    8,304.88/12,459.34 = 2,381.88/x
  3. Step 3: Cross multiply
    8,304.88x = 12,459.34 × 2,381.88
  4. Step 4: Simplify right side
    8,304.88x = 29,676,652.76
  5. Step 5: Solve for x
    x = 29,676,652.76/8,304.88
  6. Step 6: Final answer
    x = 3,573.40

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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.