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Finding the Fourth Proportional to 17,777.61, 24,519.80 and 12,400.33

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Solution

The fourth proportional to 17,777.61, 24,519.80 and 12,400.33 is: 17,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,777.61 : 24,519.80 = 12,400.33 : x
  2. Step 2: Convert to fraction form
    17,777.61/24,519.80 = 12,400.33/x
  3. Step 3: Cross multiply
    17,777.61x = 24,519.80 × 12,400.33
  4. Step 4: Simplify right side
    17,777.61x = 304,053,519.94
  5. Step 5: Solve for x
    x = 304,053,519.94/17,777.61
  6. Step 6: Final answer
    x = 17,103.17

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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.