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Finding the Fourth Proportional to 57,570.35, 86,230.53 and 27,925.88

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Solution

The fourth proportional to 57,570.35, 86,230.53 and 27,925.88 is: 41,828.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,570.35 : 86,230.53 = 27,925.88 : x
  2. Step 2: Convert to fraction form
    57,570.35/86,230.53 = 27,925.88/x
  3. Step 3: Cross multiply
    57,570.35x = 86,230.53 × 27,925.88
  4. Step 4: Simplify right side
    57,570.35x = 2,408,063,001.96
  5. Step 5: Solve for x
    x = 2,408,063,001.96/57,570.35
  6. Step 6: Final answer
    x = 41,828.18

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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.