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Finding the Fourth Proportional to 9,616, 13,270.29 and 5,424.25

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Solution

The fourth proportional to 9,616, 13,270.29 and 5,424.25 is: 7,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,616 : 13,270.29 = 5,424.25 : x
  2. Step 2: Convert to fraction form
    9,616/13,270.29 = 5,424.25/x
  3. Step 3: Cross multiply
    9,616x = 13,270.29 × 5,424.25
  4. Step 4: Simplify right side
    9,616x = 71,981,370.53
  5. Step 5: Solve for x
    x = 71,981,370.53/9,616
  6. Step 6: Final answer
    x = 7,485.58

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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.