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Finding the Fourth Proportional to 4,821.75, 6,654.02 and 2,613.75

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Solution

The fourth proportional to 4,821.75, 6,654.02 and 2,613.75 is: 3,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.75 : 6,654.02 = 2,613.75 : x
  2. Step 2: Convert to fraction form
    4,821.75/6,654.02 = 2,613.75/x
  3. Step 3: Cross multiply
    4,821.75x = 6,654.02 × 2,613.75
  4. Step 4: Simplify right side
    4,821.75x = 17,391,944.78
  5. Step 5: Solve for x
    x = 17,391,944.78/4,821.75
  6. Step 6: Final answer
    x = 3,606.98

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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.