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Finding the Fourth Proportional to 4,899.22, 7,348.83 and 2,712.56

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Solution

The fourth proportional to 4,899.22, 7,348.83 and 2,712.56 is: 4,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.22 : 7,348.83 = 2,712.56 : x
  2. Step 2: Convert to fraction form
    4,899.22/7,348.83 = 2,712.56/x
  3. Step 3: Cross multiply
    4,899.22x = 7,348.83 × 2,712.56
  4. Step 4: Simplify right side
    4,899.22x = 19,934,174.56
  5. Step 5: Solve for x
    x = 19,934,174.56/4,899.22
  6. Step 6: Final answer
    x = 4,068.85

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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.