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Finding the Fourth Proportional to 69,089.72, 103,634.58 and 22,346.24

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Solution

The fourth proportional to 69,089.72, 103,634.58 and 22,346.24 is: 33,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,089.72 : 103,634.58 = 22,346.24 : x
  2. Step 2: Convert to fraction form
    69,089.72/103,634.58 = 22,346.24/x
  3. Step 3: Cross multiply
    69,089.72x = 103,634.58 × 22,346.24
  4. Step 4: Simplify right side
    69,089.72x = 2,315,843,196.98
  5. Step 5: Solve for x
    x = 2,315,843,196.98/69,089.72
  6. Step 6: Final answer
    x = 33,519.36

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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.