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Finding the Fourth Proportional to 13,337.01, 20,006.51 and 3,976.31

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Solution

The fourth proportional to 13,337.01, 20,006.51 and 3,976.31 is: 5,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.01 : 20,006.51 = 3,976.31 : x
  2. Step 2: Convert to fraction form
    13,337.01/20,006.51 = 3,976.31/x
  3. Step 3: Cross multiply
    13,337.01x = 20,006.51 × 3,976.31
  4. Step 4: Simplify right side
    13,337.01x = 79,552,085.78
  5. Step 5: Solve for x
    x = 79,552,085.78/13,337.01
  6. Step 6: Final answer
    x = 5,964.76

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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.