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Finding the Fourth Proportional to 4,894.30, 7,288.97 and 4,866.22

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Solution

The fourth proportional to 4,894.30, 7,288.97 and 4,866.22 is: 7,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.30 : 7,288.97 = 4,866.22 : x
  2. Step 2: Convert to fraction form
    4,894.30/7,288.97 = 4,866.22/x
  3. Step 3: Cross multiply
    4,894.30x = 7,288.97 × 4,866.22
  4. Step 4: Simplify right side
    4,894.30x = 35,469,731.59
  5. Step 5: Solve for x
    x = 35,469,731.59/4,894.30
  6. Step 6: Final answer
    x = 7,247.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.