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Finding the Fourth Proportional to 11,663.54, 17,488.29 and 4,644.44

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Solution

The fourth proportional to 11,663.54, 17,488.29 and 4,644.44 is: 6,963.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,663.54 : 17,488.29 = 4,644.44 : x
  2. Step 2: Convert to fraction form
    11,663.54/17,488.29 = 4,644.44/x
  3. Step 3: Cross multiply
    11,663.54x = 17,488.29 × 4,644.44
  4. Step 4: Simplify right side
    11,663.54x = 81,223,313.61
  5. Step 5: Solve for x
    x = 81,223,313.61/11,663.54
  6. Step 6: Final answer
    x = 6,963.86

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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.