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Finding the Fourth Proportional to 11,366.78, 17,042.24 and 5,038.22

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Solution

The fourth proportional to 11,366.78, 17,042.24 and 5,038.22 is: 7,553.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.78 : 17,042.24 = 5,038.22 : x
  2. Step 2: Convert to fraction form
    11,366.78/17,042.24 = 5,038.22/x
  3. Step 3: Cross multiply
    11,366.78x = 17,042.24 × 5,038.22
  4. Step 4: Simplify right side
    11,366.78x = 85,862,554.41
  5. Step 5: Solve for x
    x = 85,862,554.41/11,366.78
  6. Step 6: Final answer
    x = 7,553.82

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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.