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Finding the Fourth Proportional to 17,490.76, 26,238.72 and 6,245.22

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Solution

The fourth proportional to 17,490.76, 26,238.72 and 6,245.22 is: 9,368.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,490.76 : 26,238.72 = 6,245.22 : x
  2. Step 2: Convert to fraction form
    17,490.76/26,238.72 = 6,245.22/x
  3. Step 3: Cross multiply
    17,490.76x = 26,238.72 × 6,245.22
  4. Step 4: Simplify right side
    17,490.76x = 163,866,578.92
  5. Step 5: Solve for x
    x = 163,866,578.92/17,490.76
  6. Step 6: Final answer
    x = 9,368.75

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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.