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Finding the Fourth Proportional to 3,477.66, 4,797.81 and 2,218.38

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Solution

The fourth proportional to 3,477.66, 4,797.81 and 2,218.38 is: 3,060.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477.66 : 4,797.81 = 2,218.38 : x
  2. Step 2: Convert to fraction form
    3,477.66/4,797.81 = 2,218.38/x
  3. Step 3: Cross multiply
    3,477.66x = 4,797.81 × 2,218.38
  4. Step 4: Simplify right side
    3,477.66x = 10,643,365.75
  5. Step 5: Solve for x
    x = 10,643,365.75/3,477.66
  6. Step 6: Final answer
    x = 3,060.50

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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.