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Finding the Fourth Proportional to 7,494.75, 11,242.68 and 2,877.75

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Solution

The fourth proportional to 7,494.75, 11,242.68 and 2,877.75 is: 4,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,494.75 : 11,242.68 = 2,877.75 : x
  2. Step 2: Convert to fraction form
    7,494.75/11,242.68 = 2,877.75/x
  3. Step 3: Cross multiply
    7,494.75x = 11,242.68 × 2,877.75
  4. Step 4: Simplify right side
    7,494.75x = 32,353,622.37
  5. Step 5: Solve for x
    x = 32,353,622.37/7,494.75
  6. Step 6: Final answer
    x = 4,316.84

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1.5x scale

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.