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Finding the Fourth Proportional to 6,184.28, 8,534.28 and 3,389.78

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Solution

The fourth proportional to 6,184.28, 8,534.28 and 3,389.78 is: 4,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,184.28 : 8,534.28 = 3,389.78 : x
  2. Step 2: Convert to fraction form
    6,184.28/8,534.28 = 3,389.78/x
  3. Step 3: Cross multiply
    6,184.28x = 8,534.28 × 3,389.78
  4. Step 4: Simplify right side
    6,184.28x = 28,929,331.66
  5. Step 5: Solve for x
    x = 28,929,331.66/6,184.28
  6. Step 6: Final answer
    x = 4,677.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.