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Finding the Fourth Proportional to 64,048.75, 96,076.63 and 26,612.61

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Solution

The fourth proportional to 64,048.75, 96,076.63 and 26,612.61 is: 39,920.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048.75 : 96,076.63 = 26,612.61 : x
  2. Step 2: Convert to fraction form
    64,048.75/96,076.63 = 26,612.61/x
  3. Step 3: Cross multiply
    64,048.75x = 96,076.63 × 26,612.61
  4. Step 4: Simplify right side
    64,048.75x = 2,556,849,557.28
  5. Step 5: Solve for x
    x = 2,556,849,557.28/64,048.75
  6. Step 6: Final answer
    x = 39,920.37

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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.