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Finding the Fourth Proportional to 57,924, 86,820.48 and 26,694.72

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Solution

The fourth proportional to 57,924, 86,820.48 and 26,694.72 is: 40,011.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,924 : 86,820.48 = 26,694.72 : x
  2. Step 2: Convert to fraction form
    57,924/86,820.48 = 26,694.72/x
  3. Step 3: Cross multiply
    57,924x = 86,820.48 × 26,694.72
  4. Step 4: Simplify right side
    57,924x = 2,317,648,403.87
  5. Step 5: Solve for x
    x = 2,317,648,403.87/57,924
  6. Step 6: Final answer
    x = 40,011.88

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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.