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Finding the Fourth Proportional to 15,793.16, 23,697.72 and 8,773.40

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Solution

The fourth proportional to 15,793.16, 23,697.72 and 8,773.40 is: 13,164.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,793.16 : 23,697.72 = 8,773.40 : x
  2. Step 2: Convert to fraction form
    15,793.16/23,697.72 = 8,773.40/x
  3. Step 3: Cross multiply
    15,793.16x = 23,697.72 × 8,773.40
  4. Step 4: Simplify right side
    15,793.16x = 207,909,576.65
  5. Step 5: Solve for x
    x = 207,909,576.65/15,793.16
  6. Step 6: Final answer
    x = 13,164.53

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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.