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Finding the Fourth Proportional to 29,625.72, 40,879.02 and 19,016.76

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Solution

The fourth proportional to 29,625.72, 40,879.02 and 19,016.76 is: 26,240.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,625.72 : 40,879.02 = 19,016.76 : x
  2. Step 2: Convert to fraction form
    29,625.72/40,879.02 = 19,016.76/x
  3. Step 3: Cross multiply
    29,625.72x = 40,879.02 × 19,016.76
  4. Step 4: Simplify right side
    29,625.72x = 777,386,512.38
  5. Step 5: Solve for x
    x = 777,386,512.38/29,625.72
  6. Step 6: Final answer
    x = 26,240.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.