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Finding the Fourth Proportional to 63,680.16, 95,431.44 and 47,866.68

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Solution

The fourth proportional to 63,680.16, 95,431.44 and 47,866.68 is: 71,733.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.16 : 95,431.44 = 47,866.68 : x
  2. Step 2: Convert to fraction form
    63,680.16/95,431.44 = 47,866.68/x
  3. Step 3: Cross multiply
    63,680.16x = 95,431.44 × 47,866.68
  4. Step 4: Simplify right side
    63,680.16x = 4,567,986,200.42
  5. Step 5: Solve for x
    x = 4,567,986,200.42/63,680.16
  6. Step 6: Final answer
    x = 71,733.27

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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.