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Finding the Fourth Proportional to 10,000.03, 15,000.05 and 2,604.47

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Solution

The fourth proportional to 10,000.03, 15,000.05 and 2,604.47 is: 3,906.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,000.03 : 15,000.05 = 2,604.47 : x
  2. Step 2: Convert to fraction form
    10,000.03/15,000.05 = 2,604.47/x
  3. Step 3: Cross multiply
    10,000.03x = 15,000.05 × 2,604.47
  4. Step 4: Simplify right side
    10,000.03x = 39,067,180.22
  5. Step 5: Solve for x
    x = 39,067,180.22/10,000.03
  6. Step 6: Final answer
    x = 3,906.71

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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.