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Finding the Fourth Proportional to 2,967.36, 4,095.44 and 2,836.12

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Solution

The fourth proportional to 2,967.36, 4,095.44 and 2,836.12 is: 3,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,967.36 : 4,095.44 = 2,836.12 : x
  2. Step 2: Convert to fraction form
    2,967.36/4,095.44 = 2,836.12/x
  3. Step 3: Cross multiply
    2,967.36x = 4,095.44 × 2,836.12
  4. Step 4: Simplify right side
    2,967.36x = 11,615,159.29
  5. Step 5: Solve for x
    x = 11,615,159.29/2,967.36
  6. Step 6: Final answer
    x = 3,914.31

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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.