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Finding the Fourth Proportional to 18,446.76, 27,658.98 and 6,746.22

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Solution

The fourth proportional to 18,446.76, 27,658.98 and 6,746.22 is: 10,115.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,446.76 : 27,658.98 = 6,746.22 : x
  2. Step 2: Convert to fraction form
    18,446.76/27,658.98 = 6,746.22/x
  3. Step 3: Cross multiply
    18,446.76x = 27,658.98 × 6,746.22
  4. Step 4: Simplify right side
    18,446.76x = 186,593,564.06
  5. Step 5: Solve for x
    x = 186,593,564.06/18,446.76
  6. Step 6: Final answer
    x = 10,115.25

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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.