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Finding the Fourth Proportional to 57,980.88, 86,904.12 and 26,751.12

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Solution

The fourth proportional to 57,980.88, 86,904.12 and 26,751.12 is: 40,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,980.88 : 86,904.12 = 26,751.12 : x
  2. Step 2: Convert to fraction form
    57,980.88/86,904.12 = 26,751.12/x
  3. Step 3: Cross multiply
    57,980.88x = 86,904.12 × 26,751.12
  4. Step 4: Simplify right side
    57,980.88x = 2,324,782,542.61
  5. Step 5: Solve for x
    x = 2,324,782,542.61/57,980.88
  6. Step 6: Final answer
    x = 40,095.68

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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.