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Finding the Fourth Proportional to 18,297.76, 27,446.64 and 4,446.72

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Solution

The fourth proportional to 18,297.76, 27,446.64 and 4,446.72 is: 6,670.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.76 : 27,446.64 = 4,446.72 : x
  2. Step 2: Convert to fraction form
    18,297.76/27,446.64 = 4,446.72/x
  3. Step 3: Cross multiply
    18,297.76x = 27,446.64 × 4,446.72
  4. Step 4: Simplify right side
    18,297.76x = 122,047,523.02
  5. Step 5: Solve for x
    x = 122,047,523.02/18,297.76
  6. Step 6: Final answer
    x = 6,670.08

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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.