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Finding the Fourth Proportional to 15,134.75, 22,702.22 and 5,273.99

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Solution

The fourth proportional to 15,134.75, 22,702.22 and 5,273.99 is: 7,911.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,134.75 : 22,702.22 = 5,273.99 : x
  2. Step 2: Convert to fraction form
    15,134.75/22,702.22 = 5,273.99/x
  3. Step 3: Cross multiply
    15,134.75x = 22,702.22 × 5,273.99
  4. Step 4: Simplify right side
    15,134.75x = 119,731,281.26
  5. Step 5: Solve for x
    x = 119,731,281.26/15,134.75
  6. Step 6: Final answer
    x = 7,911.02

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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.