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Finding the Fourth Proportional to 3,275.16, 4,917.06 and 1,889.88

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Solution

The fourth proportional to 3,275.16, 4,917.06 and 1,889.88 is: 2,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.16 : 4,917.06 = 1,889.88 : x
  2. Step 2: Convert to fraction form
    3,275.16/4,917.06 = 1,889.88/x
  3. Step 3: Cross multiply
    3,275.16x = 4,917.06 × 1,889.88
  4. Step 4: Simplify right side
    3,275.16x = 9,292,653.35
  5. Step 5: Solve for x
    x = 9,292,653.35/3,275.16
  6. Step 6: Final answer
    x = 2,837.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.