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Finding the Fourth Proportional to 2,754.93, 4,126.05 and 2,136.63

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Solution

The fourth proportional to 2,754.93, 4,126.05 and 2,136.63 is: 3,200.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754.93 : 4,126.05 = 2,136.63 : x
  2. Step 2: Convert to fraction form
    2,754.93/4,126.05 = 2,136.63/x
  3. Step 3: Cross multiply
    2,754.93x = 4,126.05 × 2,136.63
  4. Step 4: Simplify right side
    2,754.93x = 8,815,842.21
  5. Step 5: Solve for x
    x = 8,815,842.21/2,754.93
  6. Step 6: Final answer
    x = 3,200.02

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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.