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Finding the Fourth Proportional to 8,969.03, 13,452.86 and 3,972.95

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Solution

The fourth proportional to 8,969.03, 13,452.86 and 3,972.95 is: 5,959.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,969.03 : 13,452.86 = 3,972.95 : x
  2. Step 2: Convert to fraction form
    8,969.03/13,452.86 = 3,972.95/x
  3. Step 3: Cross multiply
    8,969.03x = 13,452.86 × 3,972.95
  4. Step 4: Simplify right side
    8,969.03x = 53,447,472.87
  5. Step 5: Solve for x
    x = 53,447,472.87/8,969.03
  6. Step 6: Final answer
    x = 5,959.12

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1.5x scale

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.