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Finding the Fourth Proportional to 33,324.80, 45,996 and 21,996.32

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Solution

The fourth proportional to 33,324.80, 45,996 and 21,996.32 is: 30,360.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,324.80 : 45,996 = 21,996.32 : x
  2. Step 2: Convert to fraction form
    33,324.80/45,996 = 21,996.32/x
  3. Step 3: Cross multiply
    33,324.80x = 45,996 × 21,996.32
  4. Step 4: Simplify right side
    33,324.80x = 1,011,742,734.72
  5. Step 5: Solve for x
    x = 1,011,742,734.72/33,324.80
  6. Step 6: Final answer
    x = 30,360.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.