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Finding the Fourth Proportional to 64,010.76, 95,887.53 and 31,892.95

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Solution

The fourth proportional to 64,010.76, 95,887.53 and 31,892.95 is: 47,775.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,010.76 : 95,887.53 = 31,892.95 : x
  2. Step 2: Convert to fraction form
    64,010.76/95,887.53 = 31,892.95/x
  3. Step 3: Cross multiply
    64,010.76x = 95,887.53 × 31,892.95
  4. Step 4: Simplify right side
    64,010.76x = 3,058,136,589.16
  5. Step 5: Solve for x
    x = 3,058,136,589.16/64,010.76
  6. Step 6: Final answer
    x = 47,775.35

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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.