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Finding the Fourth Proportional to 22,726.80, 34,051.80 and 19,424.40

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Solution

The fourth proportional to 22,726.80, 34,051.80 and 19,424.40 is: 29,103.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,726.80 : 34,051.80 = 19,424.40 : x
  2. Step 2: Convert to fraction form
    22,726.80/34,051.80 = 19,424.40/x
  3. Step 3: Cross multiply
    22,726.80x = 34,051.80 × 19,424.40
  4. Step 4: Simplify right side
    22,726.80x = 661,435,783.92
  5. Step 5: Solve for x
    x = 661,435,783.92/22,726.80
  6. Step 6: Final answer
    x = 29,103.78

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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.