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Finding the Fourth Proportional to 19,188.62, 28,787.04 and 6,042.02

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Solution

The fourth proportional to 19,188.62, 28,787.04 and 6,042.02 is: 9,064.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.62 : 28,787.04 = 6,042.02 : x
  2. Step 2: Convert to fraction form
    19,188.62/28,787.04 = 6,042.02/x
  3. Step 3: Cross multiply
    19,188.62x = 28,787.04 × 6,042.02
  4. Step 4: Simplify right side
    19,188.62x = 173,931,871.42
  5. Step 5: Solve for x
    x = 173,931,871.42/19,188.62
  6. Step 6: Final answer
    x = 9,064.32

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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.