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Finding the Fourth Proportional to 9,651.13, 14,479.12 and 2,725.63

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Solution

The fourth proportional to 9,651.13, 14,479.12 and 2,725.63 is: 4,089.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.13 : 14,479.12 = 2,725.63 : x
  2. Step 2: Convert to fraction form
    9,651.13/14,479.12 = 2,725.63/x
  3. Step 3: Cross multiply
    9,651.13x = 14,479.12 × 2,725.63
  4. Step 4: Simplify right side
    9,651.13x = 39,464,723.85
  5. Step 5: Solve for x
    x = 39,464,723.85/9,651.13
  6. Step 6: Final answer
    x = 4,089.13

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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.