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Finding the Fourth Proportional to 64,287.91, 96,447.15 and 26,827.17

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Solution

The fourth proportional to 64,287.91, 96,447.15 and 26,827.17 is: 40,247.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,287.91 : 96,447.15 = 26,827.17 : x
  2. Step 2: Convert to fraction form
    64,287.91/96,447.15 = 26,827.17/x
  3. Step 3: Cross multiply
    64,287.91x = 96,447.15 × 26,827.17
  4. Step 4: Simplify right side
    64,287.91x = 2,587,403,606.83
  5. Step 5: Solve for x
    x = 2,587,403,606.83/64,287.91
  6. Step 6: Final answer
    x = 40,247.13

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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.