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Finding the Fourth Proportional to 5,874.66, 8,820.40 and 5,152.96

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Solution

The fourth proportional to 5,874.66, 8,820.40 and 5,152.96 is: 7,736.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,874.66 : 8,820.40 = 5,152.96 : x
  2. Step 2: Convert to fraction form
    5,874.66/8,820.40 = 5,152.96/x
  3. Step 3: Cross multiply
    5,874.66x = 8,820.40 × 5,152.96
  4. Step 4: Simplify right side
    5,874.66x = 45,451,168.38
  5. Step 5: Solve for x
    x = 45,451,168.38/5,874.66
  6. Step 6: Final answer
    x = 7,736.82

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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.