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Finding the Fourth Proportional to 69,009.78, 103,514.64 and 22,262.64

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Solution

The fourth proportional to 69,009.78, 103,514.64 and 22,262.64 is: 33,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,009.78 : 103,514.64 = 22,262.64 : x
  2. Step 2: Convert to fraction form
    69,009.78/103,514.64 = 22,262.64/x
  3. Step 3: Cross multiply
    69,009.78x = 103,514.64 × 22,262.64
  4. Step 4: Simplify right side
    69,009.78x = 2,304,509,165.05
  5. Step 5: Solve for x
    x = 2,304,509,165.05/69,009.78
  6. Step 6: Final answer
    x = 33,393.95

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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.