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Finding the Fourth Proportional to 6,223.40, 9,335.10 and 6,180.20

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Solution

The fourth proportional to 6,223.40, 9,335.10 and 6,180.20 is: 9,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,223.40 : 9,335.10 = 6,180.20 : x
  2. Step 2: Convert to fraction form
    6,223.40/9,335.10 = 6,180.20/x
  3. Step 3: Cross multiply
    6,223.40x = 9,335.10 × 6,180.20
  4. Step 4: Simplify right side
    6,223.40x = 57,692,785.02
  5. Step 5: Solve for x
    x = 57,692,785.02/6,223.40
  6. Step 6: Final answer
    x = 9,270.30

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Similar ratio
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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.