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Finding the Fourth Proportional to 7,367.49, 11,051.24 and 1,820.93

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Solution

The fourth proportional to 7,367.49, 11,051.24 and 1,820.93 is: 2,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.49 : 11,051.24 = 1,820.93 : x
  2. Step 2: Convert to fraction form
    7,367.49/11,051.24 = 1,820.93/x
  3. Step 3: Cross multiply
    7,367.49x = 11,051.24 × 1,820.93
  4. Step 4: Simplify right side
    7,367.49x = 20,123,470.09
  5. Step 5: Solve for x
    x = 20,123,470.09/7,367.49
  6. Step 6: Final answer
    x = 2,731.39

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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.