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Finding the Fourth Proportional to 6,253.61, 8,619.97 and 4,236.40

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Solution

The fourth proportional to 6,253.61, 8,619.97 and 4,236.40 is: 5,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,253.61 : 8,619.97 = 4,236.40 : x
  2. Step 2: Convert to fraction form
    6,253.61/8,619.97 = 4,236.40/x
  3. Step 3: Cross multiply
    6,253.61x = 8,619.97 × 4,236.40
  4. Step 4: Simplify right side
    6,253.61x = 36,517,649.04
  5. Step 5: Solve for x
    x = 36,517,649.04/6,253.61
  6. Step 6: Final answer
    x = 5,839.46

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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.