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Finding the Fourth Proportional to 27,236.40, 40,856.96 and 7,514.96

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Solution

The fourth proportional to 27,236.40, 40,856.96 and 7,514.96 is: 11,273.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,236.40 : 40,856.96 = 7,514.96 : x
  2. Step 2: Convert to fraction form
    27,236.40/40,856.96 = 7,514.96/x
  3. Step 3: Cross multiply
    27,236.40x = 40,856.96 × 7,514.96
  4. Step 4: Simplify right side
    27,236.40x = 307,038,178.26
  5. Step 5: Solve for x
    x = 307,038,178.26/27,236.40
  6. Step 6: Final answer
    x = 11,273.08

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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.