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Finding the Fourth Proportional to 8,001.80, 11,042.76 and 4,465.68

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Solution

The fourth proportional to 8,001.80, 11,042.76 and 4,465.68 is: 6,162.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.80 : 11,042.76 = 4,465.68 : x
  2. Step 2: Convert to fraction form
    8,001.80/11,042.76 = 4,465.68/x
  3. Step 3: Cross multiply
    8,001.80x = 11,042.76 × 4,465.68
  4. Step 4: Simplify right side
    8,001.80x = 49,313,432.48
  5. Step 5: Solve for x
    x = 49,313,432.48/8,001.80
  6. Step 6: Final answer
    x = 6,162.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.