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Finding the Fourth Proportional to 17,746.80, 26,581.80 and 10,834.80

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Solution

The fourth proportional to 17,746.80, 26,581.80 and 10,834.80 is: 16,228.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,746.80 : 26,581.80 = 10,834.80 : x
  2. Step 2: Convert to fraction form
    17,746.80/26,581.80 = 10,834.80/x
  3. Step 3: Cross multiply
    17,746.80x = 26,581.80 × 10,834.80
  4. Step 4: Simplify right side
    17,746.80x = 288,008,486.64
  5. Step 5: Solve for x
    x = 288,008,486.64/17,746.80
  6. Step 6: Final answer
    x = 16,228.76

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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.