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Finding the Fourth Proportional to 16,389.62, 24,584.40 and 4,077.62

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Solution

The fourth proportional to 16,389.62, 24,584.40 and 4,077.62 is: 6,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.62 : 24,584.40 = 4,077.62 : x
  2. Step 2: Convert to fraction form
    16,389.62/24,584.40 = 4,077.62/x
  3. Step 3: Cross multiply
    16,389.62x = 24,584.40 × 4,077.62
  4. Step 4: Simplify right side
    16,389.62x = 100,245,841.13
  5. Step 5: Solve for x
    x = 100,245,841.13/16,389.62
  6. Step 6: Final answer
    x = 6,116.42

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1.5x scale

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.