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Finding the Fourth Proportional to 34,767.74, 47,979.02 and 18,851.85

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Solution

The fourth proportional to 34,767.74, 47,979.02 and 18,851.85 is: 26,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,767.74 : 47,979.02 = 18,851.85 : x
  2. Step 2: Convert to fraction form
    34,767.74/47,979.02 = 18,851.85/x
  3. Step 3: Cross multiply
    34,767.74x = 47,979.02 × 18,851.85
  4. Step 4: Simplify right side
    34,767.74x = 904,493,193.93
  5. Step 5: Solve for x
    x = 904,493,193.93/34,767.74
  6. Step 6: Final answer
    x = 26,015.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.