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Finding the Fourth Proportional to 15,805.60, 23,709.30 and 5,944.96

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Solution

The fourth proportional to 15,805.60, 23,709.30 and 5,944.96 is: 8,917.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,805.60 : 23,709.30 = 5,944.96 : x
  2. Step 2: Convert to fraction form
    15,805.60/23,709.30 = 5,944.96/x
  3. Step 3: Cross multiply
    15,805.60x = 23,709.30 × 5,944.96
  4. Step 4: Simplify right side
    15,805.60x = 140,950,721.58
  5. Step 5: Solve for x
    x = 140,950,721.58/15,805.60
  6. Step 6: Final answer
    x = 8,917.77

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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.