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Finding the Fourth Proportional to 18,050.85, 27,070.07 and 6,956.62

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Solution

The fourth proportional to 18,050.85, 27,070.07 and 6,956.62 is: 10,432.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,050.85 : 27,070.07 = 6,956.62 : x
  2. Step 2: Convert to fraction form
    18,050.85/27,070.07 = 6,956.62/x
  3. Step 3: Cross multiply
    18,050.85x = 27,070.07 × 6,956.62
  4. Step 4: Simplify right side
    18,050.85x = 188,316,087.91
  5. Step 5: Solve for x
    x = 188,316,087.91/18,050.85
  6. Step 6: Final answer
    x = 10,432.53

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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.