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Finding the Fourth Proportional to 3,699.76, 5,092.68 and 3,349.84

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Solution

The fourth proportional to 3,699.76, 5,092.68 and 3,349.84 is: 4,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.76 : 5,092.68 = 3,349.84 : x
  2. Step 2: Convert to fraction form
    3,699.76/5,092.68 = 3,349.84/x
  3. Step 3: Cross multiply
    3,699.76x = 5,092.68 × 3,349.84
  4. Step 4: Simplify right side
    3,699.76x = 17,059,663.17
  5. Step 5: Solve for x
    x = 17,059,663.17/3,699.76
  6. Step 6: Final answer
    x = 4,611.02

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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.