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Finding the Fourth Proportional to 4,578.99, 6,862.40 and 1,654.48

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Solution

The fourth proportional to 4,578.99, 6,862.40 and 1,654.48 is: 2,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.99 : 6,862.40 = 1,654.48 : x
  2. Step 2: Convert to fraction form
    4,578.99/6,862.40 = 1,654.48/x
  3. Step 3: Cross multiply
    4,578.99x = 6,862.40 × 1,654.48
  4. Step 4: Simplify right side
    4,578.99x = 11,353,703.55
  5. Step 5: Solve for x
    x = 11,353,703.55/4,578.99
  6. Step 6: Final answer
    x = 2,479.52

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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.