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Finding the Fourth Proportional to 8,506.32, 12,759.48 and 5,583.94

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Solution

The fourth proportional to 8,506.32, 12,759.48 and 5,583.94 is: 8,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,506.32 : 12,759.48 = 5,583.94 : x
  2. Step 2: Convert to fraction form
    8,506.32/12,759.48 = 5,583.94/x
  3. Step 3: Cross multiply
    8,506.32x = 12,759.48 × 5,583.94
  4. Step 4: Simplify right side
    8,506.32x = 71,248,170.75
  5. Step 5: Solve for x
    x = 71,248,170.75/8,506.32
  6. Step 6: Final answer
    x = 8,375.91

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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.