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Finding the Fourth Proportional to 63,851.86, 95,790.12 and 21,730.24

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Solution

The fourth proportional to 63,851.86, 95,790.12 and 21,730.24 is: 32,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,851.86 : 95,790.12 = 21,730.24 : x
  2. Step 2: Convert to fraction form
    63,851.86/95,790.12 = 21,730.24/x
  3. Step 3: Cross multiply
    63,851.86x = 95,790.12 × 21,730.24
  4. Step 4: Simplify right side
    63,851.86x = 2,081,542,297.23
  5. Step 5: Solve for x
    x = 2,081,542,297.23/63,851.86
  6. Step 6: Final answer
    x = 32,599.56

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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.