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Finding the Fourth Proportional to 2,968.02, 4,095.90 and 1,641.77

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Solution

The fourth proportional to 2,968.02, 4,095.90 and 1,641.77 is: 2,265.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,968.02 : 4,095.90 = 1,641.77 : x
  2. Step 2: Convert to fraction form
    2,968.02/4,095.90 = 1,641.77/x
  3. Step 3: Cross multiply
    2,968.02x = 4,095.90 × 1,641.77
  4. Step 4: Simplify right side
    2,968.02x = 6,724,505.26
  5. Step 5: Solve for x
    x = 6,724,505.26/2,968.02
  6. Step 6: Final answer
    x = 2,265.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.