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Finding the Fourth Proportional to 7,274.52, 10,912.79 and 2,342.50

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Solution

The fourth proportional to 7,274.52, 10,912.79 and 2,342.50 is: 3,514.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.52 : 10,912.79 = 2,342.50 : x
  2. Step 2: Convert to fraction form
    7,274.52/10,912.79 = 2,342.50/x
  3. Step 3: Cross multiply
    7,274.52x = 10,912.79 × 2,342.50
  4. Step 4: Simplify right side
    7,274.52x = 25,563,189.15
  5. Step 5: Solve for x
    x = 25,563,189.15/7,274.52
  6. Step 6: Final answer
    x = 3,514.07

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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.