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Finding the Fourth Proportional to 8,651.32, 12,976.98 and 4,950.97

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Solution

The fourth proportional to 8,651.32, 12,976.98 and 4,950.97 is: 7,426.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,651.32 : 12,976.98 = 4,950.97 : x
  2. Step 2: Convert to fraction form
    8,651.32/12,976.98 = 4,950.97/x
  3. Step 3: Cross multiply
    8,651.32x = 12,976.98 × 4,950.97
  4. Step 4: Simplify right side
    8,651.32x = 64,248,638.67
  5. Step 5: Solve for x
    x = 64,248,638.67/8,651.32
  6. Step 6: Final answer
    x = 7,426.46

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Similar ratio
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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.