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Finding the Fourth Proportional to 16,581.39, 24,883.02 and 7,817.19

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Solution

The fourth proportional to 16,581.39, 24,883.02 and 7,817.19 is: 11,730.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,581.39 : 24,883.02 = 7,817.19 : x
  2. Step 2: Convert to fraction form
    16,581.39/24,883.02 = 7,817.19/x
  3. Step 3: Cross multiply
    16,581.39x = 24,883.02 × 7,817.19
  4. Step 4: Simplify right side
    16,581.39x = 194,515,295.11
  5. Step 5: Solve for x
    x = 194,515,295.11/16,581.39
  6. Step 6: Final answer
    x = 11,730.94

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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.