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Finding the Fourth Proportional to 3,586.76, 4,949.16 and 1,993.36

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Solution

The fourth proportional to 3,586.76, 4,949.16 and 1,993.36 is: 2,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,586.76 : 4,949.16 = 1,993.36 : x
  2. Step 2: Convert to fraction form
    3,586.76/4,949.16 = 1,993.36/x
  3. Step 3: Cross multiply
    3,586.76x = 4,949.16 × 1,993.36
  4. Step 4: Simplify right side
    3,586.76x = 9,865,457.58
  5. Step 5: Solve for x
    x = 9,865,457.58/3,586.76
  6. Step 6: Final answer
    x = 2,750.52

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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.