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Finding the Fourth Proportional to 36,219.20, 48,740.40 and 36,219.20

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Solution

The fourth proportional to 36,219.20, 48,740.40 and 36,219.20 is: 48,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.20 : 48,740.40 = 36,219.20 : x
  2. Step 2: Convert to fraction form
    36,219.20/48,740.40 = 36,219.20/x
  3. Step 3: Cross multiply
    36,219.20x = 48,740.40 × 36,219.20
  4. Step 4: Simplify right side
    36,219.20x = 1,765,338,295.68
  5. Step 5: Solve for x
    x = 1,765,338,295.68/36,219.20
  6. Step 6: Final answer
    x = 48,740.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.