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Finding the Fourth Proportional to 8,462.82, 12,701.54 and 5,867.58

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Solution

The fourth proportional to 8,462.82, 12,701.54 and 5,867.58 is: 8,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.82 : 12,701.54 = 5,867.58 : x
  2. Step 2: Convert to fraction form
    8,462.82/12,701.54 = 5,867.58/x
  3. Step 3: Cross multiply
    8,462.82x = 12,701.54 × 5,867.58
  4. Step 4: Simplify right side
    8,462.82x = 74,527,302.07
  5. Step 5: Solve for x
    x = 74,527,302.07/8,462.82
  6. Step 6: Final answer
    x = 8,806.44

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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.