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Finding the Fourth Proportional to 8,850.99, 13,281.89 and 3,656.19

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Solution

The fourth proportional to 8,850.99, 13,281.89 and 3,656.19 is: 5,486.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.99 : 13,281.89 = 3,656.19 : x
  2. Step 2: Convert to fraction form
    8,850.99/13,281.89 = 3,656.19/x
  3. Step 3: Cross multiply
    8,850.99x = 13,281.89 × 3,656.19
  4. Step 4: Simplify right side
    8,850.99x = 48,561,113.40
  5. Step 5: Solve for x
    x = 48,561,113.40/8,850.99
  6. Step 6: Final answer
    x = 5,486.52

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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.