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Finding the Fourth Proportional to 62,455.91, 86,061.62 and 44,512.79

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Solution

The fourth proportional to 62,455.91, 86,061.62 and 44,512.79 is: 61,336.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,455.91 : 86,061.62 = 44,512.79 : x
  2. Step 2: Convert to fraction form
    62,455.91/86,061.62 = 44,512.79/x
  3. Step 3: Cross multiply
    62,455.91x = 86,061.62 × 44,512.79
  4. Step 4: Simplify right side
    62,455.91x = 3,830,842,499.09
  5. Step 5: Solve for x
    x = 3,830,842,499.09/62,455.91
  6. Step 6: Final answer
    x = 61,336.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.