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Finding the Fourth Proportional to 10,663.70, 14,715.86 and 5,947.97

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Solution

The fourth proportional to 10,663.70, 14,715.86 and 5,947.97 is: 8,208.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.70 : 14,715.86 = 5,947.97 : x
  2. Step 2: Convert to fraction form
    10,663.70/14,715.86 = 5,947.97/x
  3. Step 3: Cross multiply
    10,663.70x = 14,715.86 × 5,947.97
  4. Step 4: Simplify right side
    10,663.70x = 87,529,493.80
  5. Step 5: Solve for x
    x = 87,529,493.80/10,663.70
  6. Step 6: Final answer
    x = 8,208.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.