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Finding the Fourth Proportional to 49,157.28, 67,865.04 and 32,438.88

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Solution

The fourth proportional to 49,157.28, 67,865.04 and 32,438.88 is: 44,784.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,157.28 : 67,865.04 = 32,438.88 : x
  2. Step 2: Convert to fraction form
    49,157.28/67,865.04 = 32,438.88/x
  3. Step 3: Cross multiply
    49,157.28x = 67,865.04 × 32,438.88
  4. Step 4: Simplify right side
    49,157.28x = 2,201,465,888.76
  5. Step 5: Solve for x
    x = 2,201,465,888.76/49,157.28
  6. Step 6: Final answer
    x = 44,784.13

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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.