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Finding the Fourth Proportional to 64,609.24, 96,904.14 and 41,397.88

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Solution

The fourth proportional to 64,609.24, 96,904.14 and 41,397.88 is: 62,090.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,609.24 : 96,904.14 = 41,397.88 : x
  2. Step 2: Convert to fraction form
    64,609.24/96,904.14 = 41,397.88/x
  3. Step 3: Cross multiply
    64,609.24x = 96,904.14 × 41,397.88
  4. Step 4: Simplify right side
    64,609.24x = 4,011,625,959.22
  5. Step 5: Solve for x
    x = 4,011,625,959.22/64,609.24
  6. Step 6: Final answer
    x = 62,090.59

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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.