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Finding the Fourth Proportional to 4,993.96, 6,885.96 and 3,199.06

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Solution

The fourth proportional to 4,993.96, 6,885.96 and 3,199.06 is: 4,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,993.96 : 6,885.96 = 3,199.06 : x
  2. Step 2: Convert to fraction form
    4,993.96/6,885.96 = 3,199.06/x
  3. Step 3: Cross multiply
    4,993.96x = 6,885.96 × 3,199.06
  4. Step 4: Simplify right side
    4,993.96x = 22,028,599.20
  5. Step 5: Solve for x
    x = 22,028,599.20/4,993.96
  6. Step 6: Final answer
    x = 4,411.05

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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.