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Finding the Fourth Proportional to 64,036.64, 96,054.86 and 35,591.68

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Solution

The fourth proportional to 64,036.64, 96,054.86 and 35,591.68 is: 53,387.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,036.64 : 96,054.86 = 35,591.68 : x
  2. Step 2: Convert to fraction form
    64,036.64/96,054.86 = 35,591.68/x
  3. Step 3: Cross multiply
    64,036.64x = 96,054.86 × 35,591.68
  4. Step 4: Simplify right side
    64,036.64x = 3,418,753,839.56
  5. Step 5: Solve for x
    x = 3,418,753,839.56/64,036.64
  6. Step 6: Final answer
    x = 53,387.46

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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.