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Finding the Fourth Proportional to 16,479.32, 24,723.04 and 4,792.64

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Solution

The fourth proportional to 16,479.32, 24,723.04 and 4,792.64 is: 7,190.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,479.32 : 24,723.04 = 4,792.64 : x
  2. Step 2: Convert to fraction form
    16,479.32/24,723.04 = 4,792.64/x
  3. Step 3: Cross multiply
    16,479.32x = 24,723.04 × 4,792.64
  4. Step 4: Simplify right side
    16,479.32x = 118,488,630.43
  5. Step 5: Solve for x
    x = 118,488,630.43/16,479.32
  6. Step 6: Final answer
    x = 7,190.14

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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.