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Finding the Fourth Proportional to 4,959.04, 6,837.12 and 3,187.68

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Solution

The fourth proportional to 4,959.04, 6,837.12 and 3,187.68 is: 4,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.04 : 6,837.12 = 3,187.68 : x
  2. Step 2: Convert to fraction form
    4,959.04/6,837.12 = 3,187.68/x
  3. Step 3: Cross multiply
    4,959.04x = 6,837.12 × 3,187.68
  4. Step 4: Simplify right side
    4,959.04x = 21,794,550.68
  5. Step 5: Solve for x
    x = 21,794,550.68/4,959.04
  6. Step 6: Final answer
    x = 4,394.91

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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.