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Finding the Fourth Proportional to 22,601.90, 33,878.22 and 19,304.99

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Solution

The fourth proportional to 22,601.90, 33,878.22 and 19,304.99 is: 28,936.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,601.90 : 33,878.22 = 19,304.99 : x
  2. Step 2: Convert to fraction form
    22,601.90/33,878.22 = 19,304.99/x
  3. Step 3: Cross multiply
    22,601.90x = 33,878.22 × 19,304.99
  4. Step 4: Simplify right side
    22,601.90x = 654,018,698.32
  5. Step 5: Solve for x
    x = 654,018,698.32/22,601.90
  6. Step 6: Final answer
    x = 28,936.45

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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.