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Finding the Fourth Proportional to 63,673.80, 87,865.56 and 34,992.84

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Solution

The fourth proportional to 63,673.80, 87,865.56 and 34,992.84 is: 48,287.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,673.80 : 87,865.56 = 34,992.84 : x
  2. Step 2: Convert to fraction form
    63,673.80/87,865.56 = 34,992.84/x
  3. Step 3: Cross multiply
    63,673.80x = 87,865.56 × 34,992.84
  4. Step 4: Simplify right side
    63,673.80x = 3,074,665,070.72
  5. Step 5: Solve for x
    x = 3,074,665,070.72/63,673.80
  6. Step 6: Final answer
    x = 48,287.76

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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.