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Finding the Fourth Proportional to 8,532, 12,796.74 and 2,690.04

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Solution

The fourth proportional to 8,532, 12,796.74 and 2,690.04 is: 4,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532 : 12,796.74 = 2,690.04 : x
  2. Step 2: Convert to fraction form
    8,532/12,796.74 = 2,690.04/x
  3. Step 3: Cross multiply
    8,532x = 12,796.74 × 2,690.04
  4. Step 4: Simplify right side
    8,532x = 34,423,742.47
  5. Step 5: Solve for x
    x = 34,423,742.47/8,532
  6. Step 6: Final answer
    x = 4,034.66

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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.