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Finding the Fourth Proportional to 8,798.60, 13,187.90 and 4,113.02

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Solution

The fourth proportional to 8,798.60, 13,187.90 and 4,113.02 is: 6,164.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.60 : 13,187.90 = 4,113.02 : x
  2. Step 2: Convert to fraction form
    8,798.60/13,187.90 = 4,113.02/x
  3. Step 3: Cross multiply
    8,798.60x = 13,187.90 × 4,113.02
  4. Step 4: Simplify right side
    8,798.60x = 54,242,040.80
  5. Step 5: Solve for x
    x = 54,242,040.80/8,798.60
  6. Step 6: Final answer
    x = 6,164.85

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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.