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Finding the Fourth Proportional to 8,457.52, 12,686.30 and 2,301.52

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Solution

The fourth proportional to 8,457.52, 12,686.30 and 2,301.52 is: 3,452.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.52 : 12,686.30 = 2,301.52 : x
  2. Step 2: Convert to fraction form
    8,457.52/12,686.30 = 2,301.52/x
  3. Step 3: Cross multiply
    8,457.52x = 12,686.30 × 2,301.52
  4. Step 4: Simplify right side
    8,457.52x = 29,197,773.18
  5. Step 5: Solve for x
    x = 29,197,773.18/8,457.52
  6. Step 6: Final answer
    x = 3,452.29

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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.