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Finding the Fourth Proportional to 64,560.48, 96,858 and 36,877.92

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Solution

The fourth proportional to 64,560.48, 96,858 and 36,877.92 is: 55,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,560.48 : 96,858 = 36,877.92 : x
  2. Step 2: Convert to fraction form
    64,560.48/96,858 = 36,877.92/x
  3. Step 3: Cross multiply
    64,560.48x = 96,858 × 36,877.92
  4. Step 4: Simplify right side
    64,560.48x = 3,571,921,575.36
  5. Step 5: Solve for x
    x = 3,571,921,575.36/64,560.48
  6. Step 6: Final answer
    x = 55,326.75

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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.