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Finding the Fourth Proportional to 27,663.18, 41,502.09 and 7,943.10

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Solution

The fourth proportional to 27,663.18, 41,502.09 and 7,943.10 is: 11,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,663.18 : 41,502.09 = 7,943.10 : x
  2. Step 2: Convert to fraction form
    27,663.18/41,502.09 = 7,943.10/x
  3. Step 3: Cross multiply
    27,663.18x = 41,502.09 × 7,943.10
  4. Step 4: Simplify right side
    27,663.18x = 329,655,251.08
  5. Step 5: Solve for x
    x = 329,655,251.08/27,663.18
  6. Step 6: Final answer
    x = 11,916.75

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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.