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Finding the Fourth Proportional to 8,532.81, 12,793.86 and 2,607.73

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Solution

The fourth proportional to 8,532.81, 12,793.86 and 2,607.73 is: 3,909.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,532.81 : 12,793.86 = 2,607.73 : x
  2. Step 2: Convert to fraction form
    8,532.81/12,793.86 = 2,607.73/x
  3. Step 3: Cross multiply
    8,532.81x = 12,793.86 × 2,607.73
  4. Step 4: Simplify right side
    8,532.81x = 33,362,885.48
  5. Step 5: Solve for x
    x = 33,362,885.48/8,532.81
  6. Step 6: Final answer
    x = 3,909.95

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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.