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Finding the Fourth Proportional to 7,998.63, 12,001.59 and 4,105.77

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Solution

The fourth proportional to 7,998.63, 12,001.59 and 4,105.77 is: 6,160.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,998.63 : 12,001.59 = 4,105.77 : x
  2. Step 2: Convert to fraction form
    7,998.63/12,001.59 = 4,105.77/x
  3. Step 3: Cross multiply
    7,998.63x = 12,001.59 × 4,105.77
  4. Step 4: Simplify right side
    7,998.63x = 49,275,768.17
  5. Step 5: Solve for x
    x = 49,275,768.17/7,998.63
  6. Step 6: Final answer
    x = 6,160.53

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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.