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Finding the Fourth Proportional to 10,092.10, 15,150.30 and 10,019.20

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Solution

The fourth proportional to 10,092.10, 15,150.30 and 10,019.20 is: 15,040.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,092.10 : 15,150.30 = 10,019.20 : x
  2. Step 2: Convert to fraction form
    10,092.10/15,150.30 = 10,019.20/x
  3. Step 3: Cross multiply
    10,092.10x = 15,150.30 × 10,019.20
  4. Step 4: Simplify right side
    10,092.10x = 151,793,885.76
  5. Step 5: Solve for x
    x = 151,793,885.76/10,092.10
  6. Step 6: Final answer
    x = 15,040.86

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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.