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Finding the Fourth Proportional to 19,281.52, 28,930.52 and 6,134.96

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Solution

The fourth proportional to 19,281.52, 28,930.52 and 6,134.96 is: 9,205.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,281.52 : 28,930.52 = 6,134.96 : x
  2. Step 2: Convert to fraction form
    19,281.52/28,930.52 = 6,134.96/x
  3. Step 3: Cross multiply
    19,281.52x = 28,930.52 × 6,134.96
  4. Step 4: Simplify right side
    19,281.52x = 177,487,582.98
  5. Step 5: Solve for x
    x = 177,487,582.98/19,281.52
  6. Step 6: Final answer
    x = 9,205.06

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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.