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Finding the Fourth Proportional to 4,791.92, 6,612.60 and 2,802.68

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Solution

The fourth proportional to 4,791.92, 6,612.60 and 2,802.68 is: 3,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.92 : 6,612.60 = 2,802.68 : x
  2. Step 2: Convert to fraction form
    4,791.92/6,612.60 = 2,802.68/x
  3. Step 3: Cross multiply
    4,791.92x = 6,612.60 × 2,802.68
  4. Step 4: Simplify right side
    4,791.92x = 18,533,001.77
  5. Step 5: Solve for x
    x = 18,533,001.77/4,791.92
  6. Step 6: Final answer
    x = 3,867.55

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1.5x scale

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.