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Finding the Fourth Proportional to 11,665.92, 17,498.95 and 2,900.83

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Solution

The fourth proportional to 11,665.92, 17,498.95 and 2,900.83 is: 4,351.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,665.92 : 17,498.95 = 2,900.83 : x
  2. Step 2: Convert to fraction form
    11,665.92/17,498.95 = 2,900.83/x
  3. Step 3: Cross multiply
    11,665.92x = 17,498.95 × 2,900.83
  4. Step 4: Simplify right side
    11,665.92x = 50,761,492.75
  5. Step 5: Solve for x
    x = 50,761,492.75/11,665.92
  6. Step 6: Final answer
    x = 4,351.26

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Half scale
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Double scale
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Similar ratio
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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.