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Finding the Fourth Proportional to 2,349.69, 3,242.68 and 1,301.69

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Solution

The fourth proportional to 2,349.69, 3,242.68 and 1,301.69 is: 1,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,349.69 : 3,242.68 = 1,301.69 : x
  2. Step 2: Convert to fraction form
    2,349.69/3,242.68 = 1,301.69/x
  3. Step 3: Cross multiply
    2,349.69x = 3,242.68 × 1,301.69
  4. Step 4: Simplify right side
    2,349.69x = 4,220,944.66
  5. Step 5: Solve for x
    x = 4,220,944.66/2,349.69
  6. Step 6: Final answer
    x = 1,796.38

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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.