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Finding the Fourth Proportional to 10,029.88, 15,043.11 and 3,007.99

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Solution

The fourth proportional to 10,029.88, 15,043.11 and 3,007.99 is: 4,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.88 : 15,043.11 = 3,007.99 : x
  2. Step 2: Convert to fraction form
    10,029.88/15,043.11 = 3,007.99/x
  3. Step 3: Cross multiply
    10,029.88x = 15,043.11 × 3,007.99
  4. Step 4: Simplify right side
    10,029.88x = 45,249,524.45
  5. Step 5: Solve for x
    x = 45,249,524.45/10,029.88
  6. Step 6: Final answer
    x = 4,511.47

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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.