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Finding the Fourth Proportional to 4,671.33, 7,003.20 and 1,899.30

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Solution

The fourth proportional to 4,671.33, 7,003.20 and 1,899.30 is: 2,847.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,671.33 : 7,003.20 = 1,899.30 : x
  2. Step 2: Convert to fraction form
    4,671.33/7,003.20 = 1,899.30/x
  3. Step 3: Cross multiply
    4,671.33x = 7,003.20 × 1,899.30
  4. Step 4: Simplify right side
    4,671.33x = 13,301,177.76
  5. Step 5: Solve for x
    x = 13,301,177.76/4,671.33
  6. Step 6: Final answer
    x = 2,847.41

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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.