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Finding the Fourth Proportional to 8,793.96, 13,170 and 5,088.38

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Solution

The fourth proportional to 8,793.96, 13,170 and 5,088.38 is: 7,620.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.96 : 13,170 = 5,088.38 : x
  2. Step 2: Convert to fraction form
    8,793.96/13,170 = 5,088.38/x
  3. Step 3: Cross multiply
    8,793.96x = 13,170 × 5,088.38
  4. Step 4: Simplify right side
    8,793.96x = 67,013,964.60
  5. Step 5: Solve for x
    x = 67,013,964.60/8,793.96
  6. Step 6: Final answer
    x = 7,620.45

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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.