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Finding the Fourth Proportional to 34,955.68, 52,447.56 and 12,770.56

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Solution

The fourth proportional to 34,955.68, 52,447.56 and 12,770.56 is: 19,160.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,955.68 : 52,447.56 = 12,770.56 : x
  2. Step 2: Convert to fraction form
    34,955.68/52,447.56 = 12,770.56/x
  3. Step 3: Cross multiply
    34,955.68x = 52,447.56 × 12,770.56
  4. Step 4: Simplify right side
    34,955.68x = 669,784,711.83
  5. Step 5: Solve for x
    x = 669,784,711.83/34,955.68
  6. Step 6: Final answer
    x = 19,160.97

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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.