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Finding the Fourth Proportional to 12,374.63, 18,553.12 and 5,797.22

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Solution

The fourth proportional to 12,374.63, 18,553.12 and 5,797.22 is: 8,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.63 : 18,553.12 = 5,797.22 : x
  2. Step 2: Convert to fraction form
    12,374.63/18,553.12 = 5,797.22/x
  3. Step 3: Cross multiply
    12,374.63x = 18,553.12 × 5,797.22
  4. Step 4: Simplify right side
    12,374.63x = 107,556,518.33
  5. Step 5: Solve for x
    x = 107,556,518.33/12,374.63
  6. Step 6: Final answer
    x = 8,691.70

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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.