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Finding the Fourth Proportional to 18,297.10, 27,445.64 and 4,446.10

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Solution

The fourth proportional to 18,297.10, 27,445.64 and 4,446.10 is: 6,669.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,297.10 : 27,445.64 = 4,446.10 : x
  2. Step 2: Convert to fraction form
    18,297.10/27,445.64 = 4,446.10/x
  3. Step 3: Cross multiply
    18,297.10x = 27,445.64 × 4,446.10
  4. Step 4: Simplify right side
    18,297.10x = 122,026,060.00
  5. Step 5: Solve for x
    x = 122,026,060.00/18,297.10
  6. Step 6: Final answer
    x = 6,669.15

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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.