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Finding the Fourth Proportional to 3,699.96, 5,549.94 and 1,102.70

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Solution

The fourth proportional to 3,699.96, 5,549.94 and 1,102.70 is: 1,654.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.96 : 5,549.94 = 1,102.70 : x
  2. Step 2: Convert to fraction form
    3,699.96/5,549.94 = 1,102.70/x
  3. Step 3: Cross multiply
    3,699.96x = 5,549.94 × 1,102.70
  4. Step 4: Simplify right side
    3,699.96x = 6,119,891.09
  5. Step 5: Solve for x
    x = 6,119,891.09/3,699.96
  6. Step 6: Final answer
    x = 1,654.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.