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Finding the Fourth Proportional to 27,490.56, 41,239.88 and 9,956.28

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Solution

The fourth proportional to 27,490.56, 41,239.88 and 9,956.28 is: 14,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,490.56 : 41,239.88 = 9,956.28 : x
  2. Step 2: Convert to fraction form
    27,490.56/41,239.88 = 9,956.28/x
  3. Step 3: Cross multiply
    27,490.56x = 41,239.88 × 9,956.28
  4. Step 4: Simplify right side
    27,490.56x = 410,595,792.45
  5. Step 5: Solve for x
    x = 410,595,792.45/27,490.56
  6. Step 6: Final answer
    x = 14,935.88

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1.5x scale

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.