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Finding the Fourth Proportional to 15,495.60, 23,245.05 and 4,961.85

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Solution

The fourth proportional to 15,495.60, 23,245.05 and 4,961.85 is: 7,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,495.60 : 23,245.05 = 4,961.85 : x
  2. Step 2: Convert to fraction form
    15,495.60/23,245.05 = 4,961.85/x
  3. Step 3: Cross multiply
    15,495.60x = 23,245.05 × 4,961.85
  4. Step 4: Simplify right side
    15,495.60x = 115,338,451.34
  5. Step 5: Solve for x
    x = 115,338,451.34/15,495.60
  6. Step 6: Final answer
    x = 7,443.30

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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.