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Finding the Fourth Proportional to 17,857.98, 26,777.79 and 10,476.99

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Solution

The fourth proportional to 17,857.98, 26,777.79 and 10,476.99 is: 15,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,857.98 : 26,777.79 = 10,476.99 : x
  2. Step 2: Convert to fraction form
    17,857.98/26,777.79 = 10,476.99/x
  3. Step 3: Cross multiply
    17,857.98x = 26,777.79 × 10,476.99
  4. Step 4: Simplify right side
    17,857.98x = 280,550,638.05
  5. Step 5: Solve for x
    x = 280,550,638.05/17,857.98
  6. Step 6: Final answer
    x = 15,710.10

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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.