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Finding the Fourth Proportional to 19,092.53, 28,649.96 and 7,998.28

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Solution

The fourth proportional to 19,092.53, 28,649.96 and 7,998.28 is: 12,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,092.53 : 28,649.96 = 7,998.28 : x
  2. Step 2: Convert to fraction form
    19,092.53/28,649.96 = 7,998.28/x
  3. Step 3: Cross multiply
    19,092.53x = 28,649.96 × 7,998.28
  4. Step 4: Simplify right side
    19,092.53x = 229,150,402.07
  5. Step 5: Solve for x
    x = 229,150,402.07/19,092.53
  6. Step 6: Final answer
    x = 12,002.10

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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.