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Finding the Fourth Proportional to 9,647.87, 14,472.37 and 3,724.79

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Solution

The fourth proportional to 9,647.87, 14,472.37 and 3,724.79 is: 5,587.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,647.87 : 14,472.37 = 3,724.79 : x
  2. Step 2: Convert to fraction form
    9,647.87/14,472.37 = 3,724.79/x
  3. Step 3: Cross multiply
    9,647.87x = 14,472.37 × 3,724.79
  4. Step 4: Simplify right side
    9,647.87x = 53,906,448.07
  5. Step 5: Solve for x
    x = 53,906,448.07/9,647.87
  6. Step 6: Final answer
    x = 5,587.39

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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.