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Finding the Fourth Proportional to 17,937.32, 26,890.86 and 8,572.04

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Solution

The fourth proportional to 17,937.32, 26,890.86 and 8,572.04 is: 12,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,937.32 : 26,890.86 = 8,572.04 : x
  2. Step 2: Convert to fraction form
    17,937.32/26,890.86 = 8,572.04/x
  3. Step 3: Cross multiply
    17,937.32x = 26,890.86 × 8,572.04
  4. Step 4: Simplify right side
    17,937.32x = 230,509,527.55
  5. Step 5: Solve for x
    x = 230,509,527.55/17,937.32
  6. Step 6: Final answer
    x = 12,850.83

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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.