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Finding the Fourth Proportional to 4,811.72, 6,633.02 and 3,817.24

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Solution

The fourth proportional to 4,811.72, 6,633.02 and 3,817.24 is: 5,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,811.72 : 6,633.02 = 3,817.24 : x
  2. Step 2: Convert to fraction form
    4,811.72/6,633.02 = 3,817.24/x
  3. Step 3: Cross multiply
    4,811.72x = 6,633.02 × 3,817.24
  4. Step 4: Simplify right side
    4,811.72x = 25,319,822.23
  5. Step 5: Solve for x
    x = 25,319,822.23/4,811.72
  6. Step 6: Final answer
    x = 5,262.12

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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.