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Finding the Fourth Proportional to 9,012.91, 13,509.32 and 3,744.98

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Solution

The fourth proportional to 9,012.91, 13,509.32 and 3,744.98 is: 5,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.91 : 13,509.32 = 3,744.98 : x
  2. Step 2: Convert to fraction form
    9,012.91/13,509.32 = 3,744.98/x
  3. Step 3: Cross multiply
    9,012.91x = 13,509.32 × 3,744.98
  4. Step 4: Simplify right side
    9,012.91x = 50,592,133.21
  5. Step 5: Solve for x
    x = 50,592,133.21/9,012.91
  6. Step 6: Final answer
    x = 5,613.30

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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.