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Finding the Fourth Proportional to 27,261.48, 40,892.48 and 7,541.12

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Solution

The fourth proportional to 27,261.48, 40,892.48 and 7,541.12 is: 11,311.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.48 : 40,892.48 = 7,541.12 : x
  2. Step 2: Convert to fraction form
    27,261.48/40,892.48 = 7,541.12/x
  3. Step 3: Cross multiply
    27,261.48x = 40,892.48 × 7,541.12
  4. Step 4: Simplify right side
    27,261.48x = 308,375,098.78
  5. Step 5: Solve for x
    x = 308,375,098.78/27,261.48
  6. Step 6: Final answer
    x = 11,311.75

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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.