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Finding the Fourth Proportional to 6,255.68, 8,632.80 and 3,603.60

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Solution

The fourth proportional to 6,255.68, 8,632.80 and 3,603.60 is: 4,972.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,255.68 : 8,632.80 = 3,603.60 : x
  2. Step 2: Convert to fraction form
    6,255.68/8,632.80 = 3,603.60/x
  3. Step 3: Cross multiply
    6,255.68x = 8,632.80 × 3,603.60
  4. Step 4: Simplify right side
    6,255.68x = 31,109,158.08
  5. Step 5: Solve for x
    x = 31,109,158.08/6,255.68
  6. Step 6: Final answer
    x = 4,972.95

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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.