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Finding the Fourth Proportional to 8,899.62, 13,349.70 and 3,705.90

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Solution

The fourth proportional to 8,899.62, 13,349.70 and 3,705.90 is: 5,558.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.62 : 13,349.70 = 3,705.90 : x
  2. Step 2: Convert to fraction form
    8,899.62/13,349.70 = 3,705.90/x
  3. Step 3: Cross multiply
    8,899.62x = 13,349.70 × 3,705.90
  4. Step 4: Simplify right side
    8,899.62x = 49,472,653.23
  5. Step 5: Solve for x
    x = 49,472,653.23/8,899.62
  6. Step 6: Final answer
    x = 5,558.96

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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.