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Finding the Fourth Proportional to 2,132.70, 3,192.98 and 2,132.70

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Solution

The fourth proportional to 2,132.70, 3,192.98 and 2,132.70 is: 3,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.70 : 3,192.98 = 2,132.70 : x
  2. Step 2: Convert to fraction form
    2,132.70/3,192.98 = 2,132.70/x
  3. Step 3: Cross multiply
    2,132.70x = 3,192.98 × 2,132.70
  4. Step 4: Simplify right side
    2,132.70x = 6,809,657.78
  5. Step 5: Solve for x
    x = 6,809,657.78/2,132.70
  6. Step 6: Final answer
    x = 3,192.98

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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.