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Finding the Fourth Proportional to 8,798.00, 13,189.64 and 4,115.66

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Solution

The fourth proportional to 8,798.00, 13,189.64 and 4,115.66 is: 6,170.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.00 : 13,189.64 = 4,115.66 : x
  2. Step 2: Convert to fraction form
    8,798.00/13,189.64 = 4,115.66/x
  3. Step 3: Cross multiply
    8,798.00x = 13,189.64 × 4,115.66
  4. Step 4: Simplify right side
    8,798.00x = 54,283,987.24
  5. Step 5: Solve for x
    x = 54,283,987.24/8,798.00
  6. Step 6: Final answer
    x = 6,170.04

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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.