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Finding the Fourth Proportional to 22,132.54, 33,203.94 and 7,340.32

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Solution

The fourth proportional to 22,132.54, 33,203.94 and 7,340.32 is: 11,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,132.54 : 33,203.94 = 7,340.32 : x
  2. Step 2: Convert to fraction form
    22,132.54/33,203.94 = 7,340.32/x
  3. Step 3: Cross multiply
    22,132.54x = 33,203.94 × 7,340.32
  4. Step 4: Simplify right side
    22,132.54x = 243,727,544.86
  5. Step 5: Solve for x
    x = 243,727,544.86/22,132.54
  6. Step 6: Final answer
    x = 11,012.18

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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.