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Finding the Fourth Proportional to 48,916.50, 67,505.76 and 29,797.08

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Solution

The fourth proportional to 48,916.50, 67,505.76 and 29,797.08 is: 41,120.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,916.50 : 67,505.76 = 29,797.08 : x
  2. Step 2: Convert to fraction form
    48,916.50/67,505.76 = 29,797.08/x
  3. Step 3: Cross multiply
    48,916.50x = 67,505.76 × 29,797.08
  4. Step 4: Simplify right side
    48,916.50x = 2,011,474,531.18
  5. Step 5: Solve for x
    x = 2,011,474,531.18/48,916.50
  6. Step 6: Final answer
    x = 41,120.57

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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.