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Finding the Fourth Proportional to 27,469.92, 37,908.54 and 14,894.58

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Solution

The fourth proportional to 27,469.92, 37,908.54 and 14,894.58 is: 20,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,469.92 : 37,908.54 = 14,894.58 : x
  2. Step 2: Convert to fraction form
    27,469.92/37,908.54 = 14,894.58/x
  3. Step 3: Cross multiply
    27,469.92x = 37,908.54 × 14,894.58
  4. Step 4: Simplify right side
    27,469.92x = 564,631,781.71
  5. Step 5: Solve for x
    x = 564,631,781.71/27,469.92
  6. Step 6: Final answer
    x = 20,554.55

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1.5x scale

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.