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Finding the Fourth Proportional to 3,310.66, 4,985.23 and 2,392.48

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Solution

The fourth proportional to 3,310.66, 4,985.23 and 2,392.48 is: 3,602.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310.66 : 4,985.23 = 2,392.48 : x
  2. Step 2: Convert to fraction form
    3,310.66/4,985.23 = 2,392.48/x
  3. Step 3: Cross multiply
    3,310.66x = 4,985.23 × 2,392.48
  4. Step 4: Simplify right side
    3,310.66x = 11,927,063.07
  5. Step 5: Solve for x
    x = 11,927,063.07/3,310.66
  6. Step 6: Final answer
    x = 3,602.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.