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Finding the Fourth Proportional to 10,092.48, 15,150.06 and 4,254

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Solution

The fourth proportional to 10,092.48, 15,150.06 and 4,254 is: 6,385.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.48 : 15,150.06 = 4,254 : x
  2. Step 2: Convert to fraction form
    10,092.48/15,150.06 = 4,254/x
  3. Step 3: Cross multiply
    10,092.48x = 15,150.06 × 4,254
  4. Step 4: Simplify right side
    10,092.48x = 64,448,355.24
  5. Step 5: Solve for x
    x = 64,448,355.24/10,092.48
  6. Step 6: Final answer
    x = 6,385.78

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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.