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Finding the Fourth Proportional to 17,925.77, 26,890.08 and 5,446.88

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Solution

The fourth proportional to 17,925.77, 26,890.08 and 5,446.88 is: 8,170.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,925.77 : 26,890.08 = 5,446.88 : x
  2. Step 2: Convert to fraction form
    17,925.77/26,890.08 = 5,446.88/x
  3. Step 3: Cross multiply
    17,925.77x = 26,890.08 × 5,446.88
  4. Step 4: Simplify right side
    17,925.77x = 146,467,098.35
  5. Step 5: Solve for x
    x = 146,467,098.35/17,925.77
  6. Step 6: Final answer
    x = 8,170.76

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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.