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Finding the Fourth Proportional to 8,818.14, 12,169.58 and 5,828.79

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Solution

The fourth proportional to 8,818.14, 12,169.58 and 5,828.79 is: 8,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.14 : 12,169.58 = 5,828.79 : x
  2. Step 2: Convert to fraction form
    8,818.14/12,169.58 = 5,828.79/x
  3. Step 3: Cross multiply
    8,818.14x = 12,169.58 × 5,828.79
  4. Step 4: Simplify right side
    8,818.14x = 70,933,926.21
  5. Step 5: Solve for x
    x = 70,933,926.21/8,818.14
  6. Step 6: Final answer
    x = 8,044.09

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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.