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Finding the Fourth Proportional to 2,606.40, 3,903.84 and 2,544.48

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Solution

The fourth proportional to 2,606.40, 3,903.84 and 2,544.48 is: 3,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606.40 : 3,903.84 = 2,544.48 : x
  2. Step 2: Convert to fraction form
    2,606.40/3,903.84 = 2,544.48/x
  3. Step 3: Cross multiply
    2,606.40x = 3,903.84 × 2,544.48
  4. Step 4: Simplify right side
    2,606.40x = 9,933,242.80
  5. Step 5: Solve for x
    x = 9,933,242.80/2,606.40
  6. Step 6: Final answer
    x = 3,811.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.