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Finding the Fourth Proportional to 5,753.53, 8,630.40 and 1,804.70

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Solution

The fourth proportional to 5,753.53, 8,630.40 and 1,804.70 is: 2,707.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,753.53 : 8,630.40 = 1,804.70 : x
  2. Step 2: Convert to fraction form
    5,753.53/8,630.40 = 1,804.70/x
  3. Step 3: Cross multiply
    5,753.53x = 8,630.40 × 1,804.70
  4. Step 4: Simplify right side
    5,753.53x = 15,575,308.97
  5. Step 5: Solve for x
    x = 15,575,308.97/5,753.53
  6. Step 6: Final answer
    x = 2,707.09

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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.