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Finding the Fourth Proportional to 17,866.94, 26,757.72 and 9,949.77

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Solution

The fourth proportional to 17,866.94, 26,757.72 and 9,949.77 is: 14,900.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,866.94 : 26,757.72 = 9,949.77 : x
  2. Step 2: Convert to fraction form
    17,866.94/26,757.72 = 9,949.77/x
  3. Step 3: Cross multiply
    17,866.94x = 26,757.72 × 9,949.77
  4. Step 4: Simplify right side
    17,866.94x = 266,233,159.72
  5. Step 5: Solve for x
    x = 266,233,159.72/17,866.94
  6. Step 6: Final answer
    x = 14,900.89

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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.