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Finding the Fourth Proportional to 2,444.56, 3,667.68 and 801.40

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Solution

The fourth proportional to 2,444.56, 3,667.68 and 801.40 is: 1,202.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,444.56 : 3,667.68 = 801.40 : x
  2. Step 2: Convert to fraction form
    2,444.56/3,667.68 = 801.40/x
  3. Step 3: Cross multiply
    2,444.56x = 3,667.68 × 801.40
  4. Step 4: Simplify right side
    2,444.56x = 2,939,278.75
  5. Step 5: Solve for x
    x = 2,939,278.75/2,444.56
  6. Step 6: Final answer
    x = 1,202.38

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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.