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Finding the Fourth Proportional to 10,047.10, 15,072.80 and 3,026.52

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Solution

The fourth proportional to 10,047.10, 15,072.80 and 3,026.52 is: 4,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,047.10 : 15,072.80 = 3,026.52 : x
  2. Step 2: Convert to fraction form
    10,047.10/15,072.80 = 3,026.52/x
  3. Step 3: Cross multiply
    10,047.10x = 15,072.80 × 3,026.52
  4. Step 4: Simplify right side
    10,047.10x = 45,618,130.66
  5. Step 5: Solve for x
    x = 45,618,130.66/10,047.10
  6. Step 6: Final answer
    x = 4,540.43

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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.