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Finding the Fourth Proportional to 7,167.50, 10,754.40 and 3,008.60

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Solution

The fourth proportional to 7,167.50, 10,754.40 and 3,008.60 is: 4,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.50 : 10,754.40 = 3,008.60 : x
  2. Step 2: Convert to fraction form
    7,167.50/10,754.40 = 3,008.60/x
  3. Step 3: Cross multiply
    7,167.50x = 10,754.40 × 3,008.60
  4. Step 4: Simplify right side
    7,167.50x = 32,355,687.84
  5. Step 5: Solve for x
    x = 32,355,687.84/7,167.50
  6. Step 6: Final answer
    x = 4,514.22

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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.