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Finding the Fourth Proportional to 18,110.64, 27,165.96 and 4,963.08

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Solution

The fourth proportional to 18,110.64, 27,165.96 and 4,963.08 is: 7,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.64 : 27,165.96 = 4,963.08 : x
  2. Step 2: Convert to fraction form
    18,110.64/27,165.96 = 4,963.08/x
  3. Step 3: Cross multiply
    18,110.64x = 27,165.96 × 4,963.08
  4. Step 4: Simplify right side
    18,110.64x = 134,826,832.76
  5. Step 5: Solve for x
    x = 134,826,832.76/18,110.64
  6. Step 6: Final answer
    x = 7,444.62

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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.