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Finding the Fourth Proportional to 27,224.16, 40,839.08 and 7,502.72

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Solution

The fourth proportional to 27,224.16, 40,839.08 and 7,502.72 is: 11,254.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,224.16 : 40,839.08 = 7,502.72 : x
  2. Step 2: Convert to fraction form
    27,224.16/40,839.08 = 7,502.72/x
  3. Step 3: Cross multiply
    27,224.16x = 40,839.08 × 7,502.72
  4. Step 4: Simplify right side
    27,224.16x = 306,404,182.30
  5. Step 5: Solve for x
    x = 306,404,182.30/27,224.16
  6. Step 6: Final answer
    x = 11,254.86

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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.