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Finding the Fourth Proportional to 8,863.58, 13,281.98 and 5,349.70

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Solution

The fourth proportional to 8,863.58, 13,281.98 and 5,349.70 is: 8,016.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.58 : 13,281.98 = 5,349.70 : x
  2. Step 2: Convert to fraction form
    8,863.58/13,281.98 = 5,349.70/x
  3. Step 3: Cross multiply
    8,863.58x = 13,281.98 × 5,349.70
  4. Step 4: Simplify right side
    8,863.58x = 71,054,523.55
  5. Step 5: Solve for x
    x = 71,054,523.55/8,863.58
  6. Step 6: Final answer
    x = 8,016.46

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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.