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Finding the Fourth Proportional to 48,452.52, 72,722.62 and 20,393.30

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Solution

The fourth proportional to 48,452.52, 72,722.62 and 20,393.30 is: 30,608.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,452.52 : 72,722.62 = 20,393.30 : x
  2. Step 2: Convert to fraction form
    48,452.52/72,722.62 = 20,393.30/x
  3. Step 3: Cross multiply
    48,452.52x = 72,722.62 × 20,393.30
  4. Step 4: Simplify right side
    48,452.52x = 1,483,054,206.45
  5. Step 5: Solve for x
    x = 1,483,054,206.45/48,452.52
  6. Step 6: Final answer
    x = 30,608.40

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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.