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Finding the Fourth Proportional to 7,463.91, 11,197.23 and 3,078.99

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Solution

The fourth proportional to 7,463.91, 11,197.23 and 3,078.99 is: 4,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,463.91 : 11,197.23 = 3,078.99 : x
  2. Step 2: Convert to fraction form
    7,463.91/11,197.23 = 3,078.99/x
  3. Step 3: Cross multiply
    7,463.91x = 11,197.23 × 3,078.99
  4. Step 4: Simplify right side
    7,463.91x = 34,476,159.20
  5. Step 5: Solve for x
    x = 34,476,159.20/7,463.91
  6. Step 6: Final answer
    x = 4,619.05

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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.