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Finding the Fourth Proportional to 64,479.67, 96,688.37 and 27,029.68

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Solution

The fourth proportional to 64,479.67, 96,688.37 and 27,029.68 is: 40,531.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479.67 : 96,688.37 = 27,029.68 : x
  2. Step 2: Convert to fraction form
    64,479.67/96,688.37 = 27,029.68/x
  3. Step 3: Cross multiply
    64,479.67x = 96,688.37 × 27,029.68
  4. Step 4: Simplify right side
    64,479.67x = 2,613,455,526.67
  5. Step 5: Solve for x
    x = 2,613,455,526.67/64,479.67
  6. Step 6: Final answer
    x = 40,531.47

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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.