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Finding the Fourth Proportional to 10,092.45, 15,109.88 and 8,015.41

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Solution

The fourth proportional to 10,092.45, 15,109.88 and 8,015.41 is: 12,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.45 : 15,109.88 = 8,015.41 : x
  2. Step 2: Convert to fraction form
    10,092.45/15,109.88 = 8,015.41/x
  3. Step 3: Cross multiply
    10,092.45x = 15,109.88 × 8,015.41
  4. Step 4: Simplify right side
    10,092.45x = 121,111,862.06
  5. Step 5: Solve for x
    x = 121,111,862.06/10,092.45
  6. Step 6: Final answer
    x = 12,000.24

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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.