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Finding the Fourth Proportional to 11,653.92, 16,082.52 and 6,348.76

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Solution

The fourth proportional to 11,653.92, 16,082.52 and 6,348.76 is: 8,761.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,653.92 : 16,082.52 = 6,348.76 : x
  2. Step 2: Convert to fraction form
    11,653.92/16,082.52 = 6,348.76/x
  3. Step 3: Cross multiply
    11,653.92x = 16,082.52 × 6,348.76
  4. Step 4: Simplify right side
    11,653.92x = 102,104,059.68
  5. Step 5: Solve for x
    x = 102,104,059.68/11,653.92
  6. Step 6: Final answer
    x = 8,761.35

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Half scale
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Double scale
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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.