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Finding the Fourth Proportional to 5,205.68, 7,183.84 and 2,848.08

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Solution

The fourth proportional to 5,205.68, 7,183.84 and 2,848.08 is: 3,930.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.68 : 7,183.84 = 2,848.08 : x
  2. Step 2: Convert to fraction form
    5,205.68/7,183.84 = 2,848.08/x
  3. Step 3: Cross multiply
    5,205.68x = 7,183.84 × 2,848.08
  4. Step 4: Simplify right side
    5,205.68x = 20,460,151.03
  5. Step 5: Solve for x
    x = 20,460,151.03/5,205.68
  6. Step 6: Final answer
    x = 3,930.35

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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.