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Finding the Fourth Proportional to 22,017.88, 33,019.88 and 7,223.35

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Solution

The fourth proportional to 22,017.88, 33,019.88 and 7,223.35 is: 10,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.88 : 33,019.88 = 7,223.35 : x
  2. Step 2: Convert to fraction form
    22,017.88/33,019.88 = 7,223.35/x
  3. Step 3: Cross multiply
    22,017.88x = 33,019.88 × 7,223.35
  4. Step 4: Simplify right side
    22,017.88x = 238,514,150.20
  5. Step 5: Solve for x
    x = 238,514,150.20/22,017.88
  6. Step 6: Final answer
    x = 10,832.75

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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.