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Finding the Fourth Proportional to 8,635.90, 12,937.65 and 8,052.70

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Solution

The fourth proportional to 8,635.90, 12,937.65 and 8,052.70 is: 12,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.90 : 12,937.65 = 8,052.70 : x
  2. Step 2: Convert to fraction form
    8,635.90/12,937.65 = 8,052.70/x
  3. Step 3: Cross multiply
    8,635.90x = 12,937.65 × 8,052.70
  4. Step 4: Simplify right side
    8,635.90x = 104,183,014.16
  5. Step 5: Solve for x
    x = 104,183,014.16/8,635.90
  6. Step 6: Final answer
    x = 12,063.94

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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.