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Finding the Fourth Proportional to 57,447.92, 86,187.06 and 26,275.88

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Solution

The fourth proportional to 57,447.92, 86,187.06 and 26,275.88 is: 39,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,447.92 : 86,187.06 = 26,275.88 : x
  2. Step 2: Convert to fraction form
    57,447.92/86,187.06 = 26,275.88/x
  3. Step 3: Cross multiply
    57,447.92x = 86,187.06 × 26,275.88
  4. Step 4: Simplify right side
    57,447.92x = 2,264,640,415.18
  5. Step 5: Solve for x
    x = 2,264,640,415.18/57,447.92
  6. Step 6: Final answer
    x = 39,420.76

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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.