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Finding the Fourth Proportional to 8,474.58, 12,712.06 and 5,965.52

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Solution

The fourth proportional to 8,474.58, 12,712.06 and 5,965.52 is: 8,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,474.58 : 12,712.06 = 5,965.52 : x
  2. Step 2: Convert to fraction form
    8,474.58/12,712.06 = 5,965.52/x
  3. Step 3: Cross multiply
    8,474.58x = 12,712.06 × 5,965.52
  4. Step 4: Simplify right side
    8,474.58x = 75,833,969.70
  5. Step 5: Solve for x
    x = 75,833,969.70/8,474.58
  6. Step 6: Final answer
    x = 8,948.40

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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.