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Finding the Fourth Proportional to 11,901.01, 17,851.54 and 4,879.73

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Solution

The fourth proportional to 11,901.01, 17,851.54 and 4,879.73 is: 7,319.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,901.01 : 17,851.54 = 4,879.73 : x
  2. Step 2: Convert to fraction form
    11,901.01/17,851.54 = 4,879.73/x
  3. Step 3: Cross multiply
    11,901.01x = 17,851.54 × 4,879.73
  4. Step 4: Simplify right side
    11,901.01x = 87,110,695.28
  5. Step 5: Solve for x
    x = 87,110,695.28/11,901.01
  6. Step 6: Final answer
    x = 7,319.61

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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.