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Finding the Fourth Proportional to 8,708.95, 13,053.69 and 3,771.19

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Solution

The fourth proportional to 8,708.95, 13,053.69 and 3,771.19 is: 5,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,708.95 : 13,053.69 = 3,771.19 : x
  2. Step 2: Convert to fraction form
    8,708.95/13,053.69 = 3,771.19/x
  3. Step 3: Cross multiply
    8,708.95x = 13,053.69 × 3,771.19
  4. Step 4: Simplify right side
    8,708.95x = 49,227,945.19
  5. Step 5: Solve for x
    x = 49,227,945.19/8,708.95
  6. Step 6: Final answer
    x = 5,652.57

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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.