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Finding the Fourth Proportional to 22,356.81, 33,514.36 and 7,555.38

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Solution

The fourth proportional to 22,356.81, 33,514.36 and 7,555.38 is: 11,326.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.81 : 33,514.36 = 7,555.38 : x
  2. Step 2: Convert to fraction form
    22,356.81/33,514.36 = 7,555.38/x
  3. Step 3: Cross multiply
    22,356.81x = 33,514.36 × 7,555.38
  4. Step 4: Simplify right side
    22,356.81x = 253,213,725.26
  5. Step 5: Solve for x
    x = 253,213,725.26/22,356.81
  6. Step 6: Final answer
    x = 11,326.02

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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.