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Finding the Fourth Proportional to 8,818.97, 13,227.65 and 2,975.63

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Solution

The fourth proportional to 8,818.97, 13,227.65 and 2,975.63 is: 4,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,818.97 : 13,227.65 = 2,975.63 : x
  2. Step 2: Convert to fraction form
    8,818.97/13,227.65 = 2,975.63/x
  3. Step 3: Cross multiply
    8,818.97x = 13,227.65 × 2,975.63
  4. Step 4: Simplify right side
    8,818.97x = 39,360,621.52
  5. Step 5: Solve for x
    x = 39,360,621.52/8,818.97
  6. Step 6: Final answer
    x = 4,463.18

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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.