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Finding the Fourth Proportional to 8,451.77, 12,677.29 and 5,010.89

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Solution

The fourth proportional to 8,451.77, 12,677.29 and 5,010.89 is: 7,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,451.77 : 12,677.29 = 5,010.89 : x
  2. Step 2: Convert to fraction form
    8,451.77/12,677.29 = 5,010.89/x
  3. Step 3: Cross multiply
    8,451.77x = 12,677.29 × 5,010.89
  4. Step 4: Simplify right side
    8,451.77x = 63,524,429.77
  5. Step 5: Solve for x
    x = 63,524,429.77/8,451.77
  6. Step 6: Final answer
    x = 7,516.11

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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.