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Finding the Fourth Proportional to 27,323.31, 40,986.34 and 12,525.52

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Solution

The fourth proportional to 27,323.31, 40,986.34 and 12,525.52 is: 18,788.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,323.31 : 40,986.34 = 12,525.52 : x
  2. Step 2: Convert to fraction form
    27,323.31/40,986.34 = 12,525.52/x
  3. Step 3: Cross multiply
    27,323.31x = 40,986.34 × 12,525.52
  4. Step 4: Simplify right side
    27,323.31x = 513,375,221.40
  5. Step 5: Solve for x
    x = 513,375,221.40/27,323.31
  6. Step 6: Final answer
    x = 18,788.91

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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.