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Finding the Fourth Proportional to 36,832.40, 55,205.40 and 15,772.40

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Solution

The fourth proportional to 36,832.40, 55,205.40 and 15,772.40 is: 23,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,832.40 : 55,205.40 = 15,772.40 : x
  2. Step 2: Convert to fraction form
    36,832.40/55,205.40 = 15,772.40/x
  3. Step 3: Cross multiply
    36,832.40x = 55,205.40 × 15,772.40
  4. Step 4: Simplify right side
    36,832.40x = 870,721,650.96
  5. Step 5: Solve for x
    x = 870,721,650.96/36,832.40
  6. Step 6: Final answer
    x = 23,640.10

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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.