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Finding the Fourth Proportional to 3,663.92, 5,056.88 and 2,092.11

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Solution

The fourth proportional to 3,663.92, 5,056.88 and 2,092.11 is: 2,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,663.92 : 5,056.88 = 2,092.11 : x
  2. Step 2: Convert to fraction form
    3,663.92/5,056.88 = 2,092.11/x
  3. Step 3: Cross multiply
    3,663.92x = 5,056.88 × 2,092.11
  4. Step 4: Simplify right side
    3,663.92x = 10,579,538.76
  5. Step 5: Solve for x
    x = 10,579,538.76/3,663.92
  6. Step 6: Final answer
    x = 2,887.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.