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Finding the Fourth Proportional to 17,998.65, 26,994.51 and 4,847.72

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Solution

The fourth proportional to 17,998.65, 26,994.51 and 4,847.72 is: 7,270.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,998.65 : 26,994.51 = 4,847.72 : x
  2. Step 2: Convert to fraction form
    17,998.65/26,994.51 = 4,847.72/x
  3. Step 3: Cross multiply
    17,998.65x = 26,994.51 × 4,847.72
  4. Step 4: Simplify right side
    17,998.65x = 130,861,691.04
  5. Step 5: Solve for x
    x = 130,861,691.04/17,998.65
  6. Step 6: Final answer
    x = 7,270.64

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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.