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Finding the Fourth Proportional to 9,874.64, 14,794.68 and 5,762

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Solution

The fourth proportional to 9,874.64, 14,794.68 and 5,762 is: 8,632.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,874.64 : 14,794.68 = 5,762 : x
  2. Step 2: Convert to fraction form
    9,874.64/14,794.68 = 5,762/x
  3. Step 3: Cross multiply
    9,874.64x = 14,794.68 × 5,762
  4. Step 4: Simplify right side
    9,874.64x = 85,246,946.16
  5. Step 5: Solve for x
    x = 85,246,946.16/9,874.64
  6. Step 6: Final answer
    x = 8,632.92

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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.