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Finding the Fourth Proportional to 4,889.29, 6,745.99 and 2,899.75

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Solution

The fourth proportional to 4,889.29, 6,745.99 and 2,899.75 is: 4,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,889.29 : 6,745.99 = 2,899.75 : x
  2. Step 2: Convert to fraction form
    4,889.29/6,745.99 = 2,899.75/x
  3. Step 3: Cross multiply
    4,889.29x = 6,745.99 × 2,899.75
  4. Step 4: Simplify right side
    4,889.29x = 19,561,684.50
  5. Step 5: Solve for x
    x = 19,561,684.50/4,889.29
  6. Step 6: Final answer
    x = 4,000.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.