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Finding the Fourth Proportional to 8,808.59, 13,218.24 and 3,542.60

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Solution

The fourth proportional to 8,808.59, 13,218.24 and 3,542.60 is: 5,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,808.59 : 13,218.24 = 3,542.60 : x
  2. Step 2: Convert to fraction form
    8,808.59/13,218.24 = 3,542.60/x
  3. Step 3: Cross multiply
    8,808.59x = 13,218.24 × 3,542.60
  4. Step 4: Simplify right side
    8,808.59x = 46,826,870.93
  5. Step 5: Solve for x
    x = 46,826,870.93/8,808.59
  6. Step 6: Final answer
    x = 5,316.05

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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.