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Finding the Fourth Proportional to 11,294.88, 16,945.56 and 4,374.24

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Solution

The fourth proportional to 11,294.88, 16,945.56 and 4,374.24 is: 6,562.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,294.88 : 16,945.56 = 4,374.24 : x
  2. Step 2: Convert to fraction form
    11,294.88/16,945.56 = 4,374.24/x
  3. Step 3: Cross multiply
    11,294.88x = 16,945.56 × 4,374.24
  4. Step 4: Simplify right side
    11,294.88x = 74,123,946.37
  5. Step 5: Solve for x
    x = 74,123,946.37/11,294.88
  6. Step 6: Final answer
    x = 6,562.61

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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.