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Finding the Fourth Proportional to 22,155.96, 33,223.14 and 7,359.78

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Solution

The fourth proportional to 22,155.96, 33,223.14 and 7,359.78 is: 11,036.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,155.96 : 33,223.14 = 7,359.78 : x
  2. Step 2: Convert to fraction form
    22,155.96/33,223.14 = 7,359.78/x
  3. Step 3: Cross multiply
    22,155.96x = 33,223.14 × 7,359.78
  4. Step 4: Simplify right side
    22,155.96x = 244,515,001.31
  5. Step 5: Solve for x
    x = 244,515,001.31/22,155.96
  6. Step 6: Final answer
    x = 11,036.08

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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.