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Finding the Fourth Proportional to 17,855.48, 24,639.85 and 9,788.96

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Solution

The fourth proportional to 17,855.48, 24,639.85 and 9,788.96 is: 13,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.48 : 24,639.85 = 9,788.96 : x
  2. Step 2: Convert to fraction form
    17,855.48/24,639.85 = 9,788.96/x
  3. Step 3: Cross multiply
    17,855.48x = 24,639.85 × 9,788.96
  4. Step 4: Simplify right side
    17,855.48x = 241,198,506.06
  5. Step 5: Solve for x
    x = 241,198,506.06/17,855.48
  6. Step 6: Final answer
    x = 13,508.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.