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Finding the Fourth Proportional to 8,959.95, 13,438.10 and 4,028.27

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Solution

The fourth proportional to 8,959.95, 13,438.10 and 4,028.27 is: 6,041.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.95 : 13,438.10 = 4,028.27 : x
  2. Step 2: Convert to fraction form
    8,959.95/13,438.10 = 4,028.27/x
  3. Step 3: Cross multiply
    8,959.95x = 13,438.10 × 4,028.27
  4. Step 4: Simplify right side
    8,959.95x = 54,132,237.97
  5. Step 5: Solve for x
    x = 54,132,237.97/8,959.95
  6. Step 6: Final answer
    x = 6,041.58

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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.