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Finding the Fourth Proportional to 11,365.74, 17,048.79 and 3,468.42

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Solution

The fourth proportional to 11,365.74, 17,048.79 and 3,468.42 is: 5,202.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,365.74 : 17,048.79 = 3,468.42 : x
  2. Step 2: Convert to fraction form
    11,365.74/17,048.79 = 3,468.42/x
  3. Step 3: Cross multiply
    11,365.74x = 17,048.79 × 3,468.42
  4. Step 4: Simplify right side
    11,365.74x = 59,132,364.21
  5. Step 5: Solve for x
    x = 59,132,364.21/11,365.74
  6. Step 6: Final answer
    x = 5,202.68

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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.