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Finding the Fourth Proportional to 4,899.36, 7,351.68 and 3,805.92

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Solution

The fourth proportional to 4,899.36, 7,351.68 and 3,805.92 is: 5,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,899.36 : 7,351.68 = 3,805.92 : x
  2. Step 2: Convert to fraction form
    4,899.36/7,351.68 = 3,805.92/x
  3. Step 3: Cross multiply
    4,899.36x = 7,351.68 × 3,805.92
  4. Step 4: Simplify right side
    4,899.36x = 27,979,905.95
  5. Step 5: Solve for x
    x = 27,979,905.95/4,899.36
  6. Step 6: Final answer
    x = 5,710.93

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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.