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Finding the Fourth Proportional to 3,562.95, 4,913.60 and 2,216.84

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Solution

The fourth proportional to 3,562.95, 4,913.60 and 2,216.84 is: 3,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.95 : 4,913.60 = 2,216.84 : x
  2. Step 2: Convert to fraction form
    3,562.95/4,913.60 = 2,216.84/x
  3. Step 3: Cross multiply
    3,562.95x = 4,913.60 × 2,216.84
  4. Step 4: Simplify right side
    3,562.95x = 10,892,629.37
  5. Step 5: Solve for x
    x = 10,892,629.37/3,562.95
  6. Step 6: Final answer
    x = 3,057.19

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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.