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Finding the Fourth Proportional to 5,579.01, 7,690.82 and 4,250.41

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Solution

The fourth proportional to 5,579.01, 7,690.82 and 4,250.41 is: 5,859.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.01 : 7,690.82 = 4,250.41 : x
  2. Step 2: Convert to fraction form
    5,579.01/7,690.82 = 4,250.41/x
  3. Step 3: Cross multiply
    5,579.01x = 7,690.82 × 4,250.41
  4. Step 4: Simplify right side
    5,579.01x = 32,689,097.76
  5. Step 5: Solve for x
    x = 32,689,097.76/5,579.01
  6. Step 6: Final answer
    x = 5,859.30

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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.