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Finding the Fourth Proportional to 64,101.84, 88,442.53 and 36,876.50

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Solution

The fourth proportional to 64,101.84, 88,442.53 and 36,876.50 is: 50,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101.84 : 88,442.53 = 36,876.50 : x
  2. Step 2: Convert to fraction form
    64,101.84/88,442.53 = 36,876.50/x
  3. Step 3: Cross multiply
    64,101.84x = 88,442.53 × 36,876.50
  4. Step 4: Simplify right side
    64,101.84x = 3,261,451,086.46
  5. Step 5: Solve for x
    x = 3,261,451,086.46/64,101.84
  6. Step 6: Final answer
    x = 50,879.21

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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.