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Finding the Fourth Proportional to 17,854.48, 24,639.43 and 9,788.89

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Solution

The fourth proportional to 17,854.48, 24,639.43 and 9,788.89 is: 13,508.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,854.48 : 24,639.43 = 9,788.89 : x
  2. Step 2: Convert to fraction form
    17,854.48/24,639.43 = 9,788.89/x
  3. Step 3: Cross multiply
    17,854.48x = 24,639.43 × 9,788.89
  4. Step 4: Simplify right side
    17,854.48x = 241,192,620.99
  5. Step 5: Solve for x
    x = 241,192,620.99/17,854.48
  6. Step 6: Final answer
    x = 13,508.80

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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.