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Finding the Fourth Proportional to 17,937.60, 26,898.30 and 8,071.80

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Solution

The fourth proportional to 17,937.60, 26,898.30 and 8,071.80 is: 12,104.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.60 : 26,898.30 = 8,071.80 : x
  2. Step 2: Convert to fraction form
    17,937.60/26,898.30 = 8,071.80/x
  3. Step 3: Cross multiply
    17,937.60x = 26,898.30 × 8,071.80
  4. Step 4: Simplify right side
    17,937.60x = 217,117,697.94
  5. Step 5: Solve for x
    x = 217,117,697.94/17,937.60
  6. Step 6: Final answer
    x = 12,104.06

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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.