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Finding the Fourth Proportional to 39,314.52, 58,894.02 and 18,474.84

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Solution

The fourth proportional to 39,314.52, 58,894.02 and 18,474.84 is: 27,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,314.52 : 58,894.02 = 18,474.84 : x
  2. Step 2: Convert to fraction form
    39,314.52/58,894.02 = 18,474.84/x
  3. Step 3: Cross multiply
    39,314.52x = 58,894.02 × 18,474.84
  4. Step 4: Simplify right side
    39,314.52x = 1,088,057,596.46
  5. Step 5: Solve for x
    x = 1,088,057,596.46/39,314.52
  6. Step 6: Final answer
    x = 27,675.72

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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.