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Finding the Fourth Proportional to 3,569.99, 4,921.99 and 2,308.82

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Solution

The fourth proportional to 3,569.99, 4,921.99 and 2,308.82 is: 3,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,569.99 : 4,921.99 = 2,308.82 : x
  2. Step 2: Convert to fraction form
    3,569.99/4,921.99 = 2,308.82/x
  3. Step 3: Cross multiply
    3,569.99x = 4,921.99 × 2,308.82
  4. Step 4: Simplify right side
    3,569.99x = 11,363,958.57
  5. Step 5: Solve for x
    x = 11,363,958.57/3,569.99
  6. Step 6: Final answer
    x = 3,183.20

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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.