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Finding the Fourth Proportional to 8,798.76, 13,198.14 and 2,959.47

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Solution

The fourth proportional to 8,798.76, 13,198.14 and 2,959.47 is: 4,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.76 : 13,198.14 = 2,959.47 : x
  2. Step 2: Convert to fraction form
    8,798.76/13,198.14 = 2,959.47/x
  3. Step 3: Cross multiply
    8,798.76x = 13,198.14 × 2,959.47
  4. Step 4: Simplify right side
    8,798.76x = 39,059,499.39
  5. Step 5: Solve for x
    x = 39,059,499.39/8,798.76
  6. Step 6: Final answer
    x = 4,439.21

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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.