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Finding the Fourth Proportional to 4,672.30, 7,004.99 and 2,822.98

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Solution

The fourth proportional to 4,672.30, 7,004.99 and 2,822.98 is: 4,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,672.30 : 7,004.99 = 2,822.98 : x
  2. Step 2: Convert to fraction form
    4,672.30/7,004.99 = 2,822.98/x
  3. Step 3: Cross multiply
    4,672.30x = 7,004.99 × 2,822.98
  4. Step 4: Simplify right side
    4,672.30x = 19,774,952.35
  5. Step 5: Solve for x
    x = 19,774,952.35/4,672.30
  6. Step 6: Final answer
    x = 4,232.38

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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.