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Finding the Fourth Proportional to 8,167.99, 12,256.04 and 3,237.52

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Solution

The fourth proportional to 8,167.99, 12,256.04 and 3,237.52 is: 4,857.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.99 : 12,256.04 = 3,237.52 : x
  2. Step 2: Convert to fraction form
    8,167.99/12,256.04 = 3,237.52/x
  3. Step 3: Cross multiply
    8,167.99x = 12,256.04 × 3,237.52
  4. Step 4: Simplify right side
    8,167.99x = 39,679,127.79
  5. Step 5: Solve for x
    x = 39,679,127.79/8,167.99
  6. Step 6: Final answer
    x = 4,857.88

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1.5x scale

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.