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Finding the Fourth Proportional to 70,507.39, 97,284.45 and 41,812.47

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Solution

The fourth proportional to 70,507.39, 97,284.45 and 41,812.47 is: 57,691.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,507.39 : 97,284.45 = 41,812.47 : x
  2. Step 2: Convert to fraction form
    70,507.39/97,284.45 = 41,812.47/x
  3. Step 3: Cross multiply
    70,507.39x = 97,284.45 × 41,812.47
  4. Step 4: Simplify right side
    70,507.39x = 4,067,702,765.20
  5. Step 5: Solve for x
    x = 4,067,702,765.20/70,507.39
  6. Step 6: Final answer
    x = 57,691.87

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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.