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Finding the Fourth Proportional to 10,351.92, 15,452.79 and 9,580.98

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Solution

The fourth proportional to 10,351.92, 15,452.79 and 9,580.98 is: 14,301.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,351.92 : 15,452.79 = 9,580.98 : x
  2. Step 2: Convert to fraction form
    10,351.92/15,452.79 = 9,580.98/x
  3. Step 3: Cross multiply
    10,351.92x = 15,452.79 × 9,580.98
  4. Step 4: Simplify right side
    10,351.92x = 148,052,871.93
  5. Step 5: Solve for x
    x = 148,052,871.93/10,351.92
  6. Step 6: Final answer
    x = 14,301.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.