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Finding the Fourth Proportional to 27,998.76, 38,644.57 and 17,792.76

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Solution

The fourth proportional to 27,998.76, 38,644.57 and 17,792.76 is: 24,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.76 : 38,644.57 = 17,792.76 : x
  2. Step 2: Convert to fraction form
    27,998.76/38,644.57 = 17,792.76/x
  3. Step 3: Cross multiply
    27,998.76x = 38,644.57 × 17,792.76
  4. Step 4: Simplify right side
    27,998.76x = 687,593,366.09
  5. Step 5: Solve for x
    x = 687,593,366.09/27,998.76
  6. Step 6: Final answer
    x = 24,558.00

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Double scale
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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.