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Finding the Fourth Proportional to 6,322.35, 8,724.36 and 3,632.70

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Solution

The fourth proportional to 6,322.35, 8,724.36 and 3,632.70 is: 5,012.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,322.35 : 8,724.36 = 3,632.70 : x
  2. Step 2: Convert to fraction form
    6,322.35/8,724.36 = 3,632.70/x
  3. Step 3: Cross multiply
    6,322.35x = 8,724.36 × 3,632.70
  4. Step 4: Simplify right side
    6,322.35x = 31,692,959.40
  5. Step 5: Solve for x
    x = 31,692,959.40/6,322.35
  6. Step 6: Final answer
    x = 5,012.84

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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.