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Finding the Fourth Proportional to 5,675.82, 8,502.79 and 4,636.99

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Solution

The fourth proportional to 5,675.82, 8,502.79 and 4,636.99 is: 6,946.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,675.82 : 8,502.79 = 4,636.99 : x
  2. Step 2: Convert to fraction form
    5,675.82/8,502.79 = 4,636.99/x
  3. Step 3: Cross multiply
    5,675.82x = 8,502.79 × 4,636.99
  4. Step 4: Simplify right side
    5,675.82x = 39,427,352.20
  5. Step 5: Solve for x
    x = 39,427,352.20/5,675.82
  6. Step 6: Final answer
    x = 6,946.55

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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.