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Finding the Fourth Proportional to 29,049.75, 40,048.11 and 19,472.94

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Solution

The fourth proportional to 29,049.75, 40,048.11 and 19,472.94 is: 26,845.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,049.75 : 40,048.11 = 19,472.94 : x
  2. Step 2: Convert to fraction form
    29,049.75/40,048.11 = 19,472.94/x
  3. Step 3: Cross multiply
    29,049.75x = 40,048.11 × 19,472.94
  4. Step 4: Simplify right side
    29,049.75x = 779,854,443.14
  5. Step 5: Solve for x
    x = 779,854,443.14/29,049.75
  6. Step 6: Final answer
    x = 26,845.48

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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.