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Finding the Fourth Proportional to 51,309.44, 70,787.04 and 34,553.60

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Solution

The fourth proportional to 51,309.44, 70,787.04 and 34,553.60 is: 47,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,309.44 : 70,787.04 = 34,553.60 : x
  2. Step 2: Convert to fraction form
    51,309.44/70,787.04 = 34,553.60/x
  3. Step 3: Cross multiply
    51,309.44x = 70,787.04 × 34,553.60
  4. Step 4: Simplify right side
    51,309.44x = 2,445,947,065.34
  5. Step 5: Solve for x
    x = 2,445,947,065.34/51,309.44
  6. Step 6: Final answer
    x = 47,670.51

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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.