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Finding the Fourth Proportional to 17,768.87, 24,521.22 and 9,811.08

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Solution

The fourth proportional to 17,768.87, 24,521.22 and 9,811.08 is: 13,539.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.87 : 24,521.22 = 9,811.08 : x
  2. Step 2: Convert to fraction form
    17,768.87/24,521.22 = 9,811.08/x
  3. Step 3: Cross multiply
    17,768.87x = 24,521.22 × 9,811.08
  4. Step 4: Simplify right side
    17,768.87x = 240,579,651.12
  5. Step 5: Solve for x
    x = 240,579,651.12/17,768.87
  6. Step 6: Final answer
    x = 13,539.39

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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.