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Finding the Fourth Proportional to 64,347.75, 96,550.79 and 31,061.61

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Solution

The fourth proportional to 64,347.75, 96,550.79 and 31,061.61 is: 46,606.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,347.75 : 96,550.79 = 31,061.61 : x
  2. Step 2: Convert to fraction form
    64,347.75/96,550.79 = 31,061.61/x
  3. Step 3: Cross multiply
    64,347.75x = 96,550.79 × 31,061.61
  4. Step 4: Simplify right side
    64,347.75x = 2,999,022,828.86
  5. Step 5: Solve for x
    x = 2,999,022,828.86/64,347.75
  6. Step 6: Final answer
    x = 46,606.49

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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.