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Finding the Fourth Proportional to 17,480.80, 26,214.84 and 7,617.68

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Solution

The fourth proportional to 17,480.80, 26,214.84 and 7,617.68 is: 11,423.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,480.80 : 26,214.84 = 7,617.68 : x
  2. Step 2: Convert to fraction form
    17,480.80/26,214.84 = 7,617.68/x
  3. Step 3: Cross multiply
    17,480.80x = 26,214.84 × 7,617.68
  4. Step 4: Simplify right side
    17,480.80x = 199,696,262.37
  5. Step 5: Solve for x
    x = 199,696,262.37/17,480.80
  6. Step 6: Final answer
    x = 11,423.75

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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.