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Finding the Fourth Proportional to 8,798.58, 13,198.92 and 3,867.63

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Solution

The fourth proportional to 8,798.58, 13,198.92 and 3,867.63 is: 5,801.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.58 : 13,198.92 = 3,867.63 : x
  2. Step 2: Convert to fraction form
    8,798.58/13,198.92 = 3,867.63/x
  3. Step 3: Cross multiply
    8,798.58x = 13,198.92 × 3,867.63
  4. Step 4: Simplify right side
    8,798.58x = 51,048,538.96
  5. Step 5: Solve for x
    x = 51,048,538.96/8,798.58
  6. Step 6: Final answer
    x = 5,801.91

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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.