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Finding the Fourth Proportional to 22,445.44, 33,660.75 and 7,449.10

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Solution

The fourth proportional to 22,445.44, 33,660.75 and 7,449.10 is: 11,171.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,445.44 : 33,660.75 = 7,449.10 : x
  2. Step 2: Convert to fraction form
    22,445.44/33,660.75 = 7,449.10/x
  3. Step 3: Cross multiply
    22,445.44x = 33,660.75 × 7,449.10
  4. Step 4: Simplify right side
    22,445.44x = 250,742,292.83
  5. Step 5: Solve for x
    x = 250,742,292.83/22,445.44
  6. Step 6: Final answer
    x = 11,171.19

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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.