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Finding the Fourth Proportional to 18,515.30, 27,772.93 and 6,035.32

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Solution

The fourth proportional to 18,515.30, 27,772.93 and 6,035.32 is: 9,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,515.30 : 27,772.93 = 6,035.32 : x
  2. Step 2: Convert to fraction form
    18,515.30/27,772.93 = 6,035.32/x
  3. Step 3: Cross multiply
    18,515.30x = 27,772.93 × 6,035.32
  4. Step 4: Simplify right side
    18,515.30x = 167,618,519.89
  5. Step 5: Solve for x
    x = 167,618,519.89/18,515.30
  6. Step 6: Final answer
    x = 9,052.97

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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.