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Finding the Fourth Proportional to 7,164.76, 10,742.78 and 2,482.36

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Solution

The fourth proportional to 7,164.76, 10,742.78 and 2,482.36 is: 3,722.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.76 : 10,742.78 = 2,482.36 : x
  2. Step 2: Convert to fraction form
    7,164.76/10,742.78 = 2,482.36/x
  3. Step 3: Cross multiply
    7,164.76x = 10,742.78 × 2,482.36
  4. Step 4: Simplify right side
    7,164.76x = 26,667,447.36
  5. Step 5: Solve for x
    x = 26,667,447.36/7,164.76
  6. Step 6: Final answer
    x = 3,722.03

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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.