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Finding the Fourth Proportional to 56,924.75, 85,398.06 and 25,760

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Solution

The fourth proportional to 56,924.75, 85,398.06 and 25,760 is: 38,644.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,924.75 : 85,398.06 = 25,760 : x
  2. Step 2: Convert to fraction form
    56,924.75/85,398.06 = 25,760/x
  3. Step 3: Cross multiply
    56,924.75x = 85,398.06 × 25,760
  4. Step 4: Simplify right side
    56,924.75x = 2,199,854,025.60
  5. Step 5: Solve for x
    x = 2,199,854,025.60/56,924.75
  6. Step 6: Final answer
    x = 38,644.95

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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.