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Finding the Fourth Proportional to 60,354.66, 90,530.42 and 28,787.04

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Solution

The fourth proportional to 60,354.66, 90,530.42 and 28,787.04 is: 43,179.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,354.66 : 90,530.42 = 28,787.04 : x
  2. Step 2: Convert to fraction form
    60,354.66/90,530.42 = 28,787.04/x
  3. Step 3: Cross multiply
    60,354.66x = 90,530.42 × 28,787.04
  4. Step 4: Simplify right side
    60,354.66x = 2,606,102,893.72
  5. Step 5: Solve for x
    x = 2,606,102,893.72/60,354.66
  6. Step 6: Final answer
    x = 43,179.81

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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.