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Finding the Fourth Proportional to 27,492.78, 41,239.06 and 9,958.50

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Solution

The fourth proportional to 27,492.78, 41,239.06 and 9,958.50 is: 14,937.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,492.78 : 41,239.06 = 9,958.50 : x
  2. Step 2: Convert to fraction form
    27,492.78/41,239.06 = 9,958.50/x
  3. Step 3: Cross multiply
    27,492.78x = 41,239.06 × 9,958.50
  4. Step 4: Simplify right side
    27,492.78x = 410,679,179.01
  5. Step 5: Solve for x
    x = 410,679,179.01/27,492.78
  6. Step 6: Final answer
    x = 14,937.71

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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.