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Finding the Fourth Proportional to 17,674.98, 26,509.73 and 11,478.93

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Solution

The fourth proportional to 17,674.98, 26,509.73 and 11,478.93 is: 17,216.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,674.98 : 26,509.73 = 11,478.93 : x
  2. Step 2: Convert to fraction form
    17,674.98/26,509.73 = 11,478.93/x
  3. Step 3: Cross multiply
    17,674.98x = 26,509.73 × 11,478.93
  4. Step 4: Simplify right side
    17,674.98x = 304,303,178.18
  5. Step 5: Solve for x
    x = 304,303,178.18/17,674.98
  6. Step 6: Final answer
    x = 17,216.61

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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.