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Finding the Fourth Proportional to 64,381.32, 88,851.68 and 36,092.48

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Solution

The fourth proportional to 64,381.32, 88,851.68 and 36,092.48 is: 49,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,381.32 : 88,851.68 = 36,092.48 : x
  2. Step 2: Convert to fraction form
    64,381.32/88,851.68 = 36,092.48/x
  3. Step 3: Cross multiply
    64,381.32x = 88,851.68 × 36,092.48
  4. Step 4: Simplify right side
    64,381.32x = 3,206,876,858.65
  5. Step 5: Solve for x
    x = 3,206,876,858.65/64,381.32
  6. Step 6: Final answer
    x = 49,810.67

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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.