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Finding the Fourth Proportional to 5,008.59, 7,498.86 and 3,896.87

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Solution

The fourth proportional to 5,008.59, 7,498.86 and 3,896.87 is: 5,834.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.59 : 7,498.86 = 3,896.87 : x
  2. Step 2: Convert to fraction form
    5,008.59/7,498.86 = 3,896.87/x
  3. Step 3: Cross multiply
    5,008.59x = 7,498.86 × 3,896.87
  4. Step 4: Simplify right side
    5,008.59x = 29,222,045.07
  5. Step 5: Solve for x
    x = 29,222,045.07/5,008.59
  6. Step 6: Final answer
    x = 5,834.39

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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.