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Finding the Fourth Proportional to 34,673.28, 47,849.16 and 18,757.68

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Solution

The fourth proportional to 34,673.28, 47,849.16 and 18,757.68 is: 25,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,673.28 : 47,849.16 = 18,757.68 : x
  2. Step 2: Convert to fraction form
    34,673.28/47,849.16 = 18,757.68/x
  3. Step 3: Cross multiply
    34,673.28x = 47,849.16 × 18,757.68
  4. Step 4: Simplify right side
    34,673.28x = 897,539,231.55
  5. Step 5: Solve for x
    x = 897,539,231.55/34,673.28
  6. Step 6: Final answer
    x = 25,885.62

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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.