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Finding the Fourth Proportional to 8,682.95, 13,025.00 and 3,417.55

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Solution

The fourth proportional to 8,682.95, 13,025.00 and 3,417.55 is: 5,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.95 : 13,025.00 = 3,417.55 : x
  2. Step 2: Convert to fraction form
    8,682.95/13,025.00 = 3,417.55/x
  3. Step 3: Cross multiply
    8,682.95x = 13,025.00 × 3,417.55
  4. Step 4: Simplify right side
    8,682.95x = 44,513,564.73
  5. Step 5: Solve for x
    x = 44,513,564.73/8,682.95
  6. Step 6: Final answer
    x = 5,126.55

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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.