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Finding the Fourth Proportional to 8,473.52, 12,710.10 and 2,926.69

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Solution

The fourth proportional to 8,473.52, 12,710.10 and 2,926.69 is: 4,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,473.52 : 12,710.10 = 2,926.69 : x
  2. Step 2: Convert to fraction form
    8,473.52/12,710.10 = 2,926.69/x
  3. Step 3: Cross multiply
    8,473.52x = 12,710.10 × 2,926.69
  4. Step 4: Simplify right side
    8,473.52x = 37,198,459.02
  5. Step 5: Solve for x
    x = 37,198,459.02/8,473.52
  6. Step 6: Final answer
    x = 4,389.97

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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.