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Finding the Fourth Proportional to 4,672.61, 7,008.89 and 1,899.26

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Solution

The fourth proportional to 4,672.61, 7,008.89 and 1,899.26 is: 2,848.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.61 : 7,008.89 = 1,899.26 : x
  2. Step 2: Convert to fraction form
    4,672.61/7,008.89 = 1,899.26/x
  3. Step 3: Cross multiply
    4,672.61x = 7,008.89 × 1,899.26
  4. Step 4: Simplify right side
    4,672.61x = 13,311,659.88
  5. Step 5: Solve for x
    x = 13,311,659.88/4,672.61
  6. Step 6: Final answer
    x = 2,848.87

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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.