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Finding the Fourth Proportional to 49,916.70, 68,803.02 and 35,385.84

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Solution

The fourth proportional to 49,916.70, 68,803.02 and 35,385.84 is: 48,774.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,916.70 : 68,803.02 = 35,385.84 : x
  2. Step 2: Convert to fraction form
    49,916.70/68,803.02 = 35,385.84/x
  3. Step 3: Cross multiply
    49,916.70x = 68,803.02 × 35,385.84
  4. Step 4: Simplify right side
    49,916.70x = 2,434,652,657.24
  5. Step 5: Solve for x
    x = 2,434,652,657.24/49,916.70
  6. Step 6: Final answer
    x = 48,774.31

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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.