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Finding the Fourth Proportional to 64,375.88, 88,833.80 and 36,076.08

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Solution

The fourth proportional to 64,375.88, 88,833.80 and 36,076.08 is: 49,782.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,375.88 : 88,833.80 = 36,076.08 : x
  2. Step 2: Convert to fraction form
    64,375.88/88,833.80 = 36,076.08/x
  3. Step 3: Cross multiply
    64,375.88x = 88,833.80 × 36,076.08
  4. Step 4: Simplify right side
    64,375.88x = 3,204,775,275.50
  5. Step 5: Solve for x
    x = 3,204,775,275.50/64,375.88
  6. Step 6: Final answer
    x = 49,782.24

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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.