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Finding the Fourth Proportional to 8,637.48, 12,958.14 and 2,481

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Solution

The fourth proportional to 8,637.48, 12,958.14 and 2,481 is: 3,722.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.48 : 12,958.14 = 2,481 : x
  2. Step 2: Convert to fraction form
    8,637.48/12,958.14 = 2,481/x
  3. Step 3: Cross multiply
    8,637.48x = 12,958.14 × 2,481
  4. Step 4: Simplify right side
    8,637.48x = 32,149,145.34
  5. Step 5: Solve for x
    x = 32,149,145.34/8,637.48
  6. Step 6: Final answer
    x = 3,722.05

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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.