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Finding the Fourth Proportional to 22,047.40, 32,975.10 and 19,724.20

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Solution

The fourth proportional to 22,047.40, 32,975.10 and 19,724.20 is: 29,500.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,047.40 : 32,975.10 = 19,724.20 : x
  2. Step 2: Convert to fraction form
    22,047.40/32,975.10 = 19,724.20/x
  3. Step 3: Cross multiply
    22,047.40x = 32,975.10 × 19,724.20
  4. Step 4: Simplify right side
    22,047.40x = 650,407,467.42
  5. Step 5: Solve for x
    x = 650,407,467.42/22,047.40
  6. Step 6: Final answer
    x = 29,500.42

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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.