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Finding the Fourth Proportional to 22,036.54, 33,047.80 and 7,242.04

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Solution

The fourth proportional to 22,036.54, 33,047.80 and 7,242.04 is: 10,860.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,036.54 : 33,047.80 = 7,242.04 : x
  2. Step 2: Convert to fraction form
    22,036.54/33,047.80 = 7,242.04/x
  3. Step 3: Cross multiply
    22,036.54x = 33,047.80 × 7,242.04
  4. Step 4: Simplify right side
    22,036.54x = 239,333,512.72
  5. Step 5: Solve for x
    x = 239,333,512.72/22,036.54
  6. Step 6: Final answer
    x = 10,860.76

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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.