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Finding the Fourth Proportional to 64,270.67, 88,670.72 and 41,875.79

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Solution

The fourth proportional to 64,270.67, 88,670.72 and 41,875.79 is: 57,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,270.67 : 88,670.72 = 41,875.79 : x
  2. Step 2: Convert to fraction form
    64,270.67/88,670.72 = 41,875.79/x
  3. Step 3: Cross multiply
    64,270.67x = 88,670.72 × 41,875.79
  4. Step 4: Simplify right side
    64,270.67x = 3,713,156,240.49
  5. Step 5: Solve for x
    x = 3,713,156,240.49/64,270.67
  6. Step 6: Final answer
    x = 57,773.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.