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Finding the Fourth Proportional to 11,873.86, 17,810.79 and 4,944.58

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Solution

The fourth proportional to 11,873.86, 17,810.79 and 4,944.58 is: 7,416.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,873.86 : 17,810.79 = 4,944.58 : x
  2. Step 2: Convert to fraction form
    11,873.86/17,810.79 = 4,944.58/x
  3. Step 3: Cross multiply
    11,873.86x = 17,810.79 × 4,944.58
  4. Step 4: Simplify right side
    11,873.86x = 88,066,876.02
  5. Step 5: Solve for x
    x = 88,066,876.02/11,873.86
  6. Step 6: Final answer
    x = 7,416.87

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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.