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Finding the Fourth Proportional to 64,979.39, 97,507.97 and 59,691.71

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Solution

The fourth proportional to 64,979.39, 97,507.97 and 59,691.71 is: 89,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,979.39 : 97,507.97 = 59,691.71 : x
  2. Step 2: Convert to fraction form
    64,979.39/97,507.97 = 59,691.71/x
  3. Step 3: Cross multiply
    64,979.39x = 97,507.97 × 59,691.71
  4. Step 4: Simplify right side
    64,979.39x = 5,820,417,467.93
  5. Step 5: Solve for x
    x = 5,820,417,467.93/64,979.39
  6. Step 6: Final answer
    x = 89,573.29

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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.