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Finding the Fourth Proportional to 38,859, 58,306.95 and 16,678.73

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Solution

The fourth proportional to 38,859, 58,306.95 and 16,678.73 is: 25,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859 : 58,306.95 = 16,678.73 : x
  2. Step 2: Convert to fraction form
    38,859/58,306.95 = 16,678.73/x
  3. Step 3: Cross multiply
    38,859x = 58,306.95 × 16,678.73
  4. Step 4: Simplify right side
    38,859x = 972,485,584.64
  5. Step 5: Solve for x
    x = 972,485,584.64/38,859
  6. Step 6: Final answer
    x = 25,026.01

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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.