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Finding the Fourth Proportional to 50,650.52, 75,979.01 and 19,485.77

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Solution

The fourth proportional to 50,650.52, 75,979.01 and 19,485.77 is: 29,229.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,650.52 : 75,979.01 = 19,485.77 : x
  2. Step 2: Convert to fraction form
    50,650.52/75,979.01 = 19,485.77/x
  3. Step 3: Cross multiply
    50,650.52x = 75,979.01 × 19,485.77
  4. Step 4: Simplify right side
    50,650.52x = 1,480,509,182.51
  5. Step 5: Solve for x
    x = 1,480,509,182.51/50,650.52
  6. Step 6: Final answer
    x = 29,229.89

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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.