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Finding the Fourth Proportional to 22,238.32, 33,357.88 and 7,444.48

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Solution

The fourth proportional to 22,238.32, 33,357.88 and 7,444.48 is: 11,166.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.32 : 33,357.88 = 7,444.48 : x
  2. Step 2: Convert to fraction form
    22,238.32/33,357.88 = 7,444.48/x
  3. Step 3: Cross multiply
    22,238.32x = 33,357.88 × 7,444.48
  4. Step 4: Simplify right side
    22,238.32x = 248,332,070.50
  5. Step 5: Solve for x
    x = 248,332,070.50/22,238.32
  6. Step 6: Final answer
    x = 11,166.85

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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.