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Finding the Fourth Proportional to 52,787.58, 79,186.54 and 15,347.94

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Solution

The fourth proportional to 52,787.58, 79,186.54 and 15,347.94 is: 23,023.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,787.58 : 79,186.54 = 15,347.94 : x
  2. Step 2: Convert to fraction form
    52,787.58/79,186.54 = 15,347.94/x
  3. Step 3: Cross multiply
    52,787.58x = 79,186.54 × 15,347.94
  4. Step 4: Simplify right side
    52,787.58x = 1,215,350,264.73
  5. Step 5: Solve for x
    x = 1,215,350,264.73/52,787.58
  6. Step 6: Final answer
    x = 23,023.41

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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.