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Finding the Fourth Proportional to 9,137.38, 13,706.08 and 7,060.41

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Solution

The fourth proportional to 9,137.38, 13,706.08 and 7,060.41 is: 10,590.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,137.38 : 13,706.08 = 7,060.41 : x
  2. Step 2: Convert to fraction form
    9,137.38/13,706.08 = 7,060.41/x
  3. Step 3: Cross multiply
    9,137.38x = 13,706.08 × 7,060.41
  4. Step 4: Simplify right side
    9,137.38x = 96,770,544.29
  5. Step 5: Solve for x
    x = 96,770,544.29/9,137.38
  6. Step 6: Final answer
    x = 10,590.62

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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.