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Finding the Fourth Proportional to 7,490.18, 11,242.17 and 3,794.99

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Solution

The fourth proportional to 7,490.18, 11,242.17 and 3,794.99 is: 5,695.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.18 : 11,242.17 = 3,794.99 : x
  2. Step 2: Convert to fraction form
    7,490.18/11,242.17 = 3,794.99/x
  3. Step 3: Cross multiply
    7,490.18x = 11,242.17 × 3,794.99
  4. Step 4: Simplify right side
    7,490.18x = 42,663,866.52
  5. Step 5: Solve for x
    x = 42,663,866.52/7,490.18
  6. Step 6: Final answer
    x = 5,695.97

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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.