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Finding the Fourth Proportional to 22,129.52, 33,199.44 and 7,337.36

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Solution

The fourth proportional to 22,129.52, 33,199.44 and 7,337.36 is: 11,007.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,129.52 : 33,199.44 = 7,337.36 : x
  2. Step 2: Convert to fraction form
    22,129.52/33,199.44 = 7,337.36/x
  3. Step 3: Cross multiply
    22,129.52x = 33,199.44 × 7,337.36
  4. Step 4: Simplify right side
    22,129.52x = 243,596,243.08
  5. Step 5: Solve for x
    x = 243,596,243.08/22,129.52
  6. Step 6: Final answer
    x = 11,007.75

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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.