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Finding the Fourth Proportional to 1,924.31, 2,886.17 and 537.50

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Solution

The fourth proportional to 1,924.31, 2,886.17 and 537.50 is: 806.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.31 : 2,886.17 = 537.50 : x
  2. Step 2: Convert to fraction form
    1,924.31/2,886.17 = 537.50/x
  3. Step 3: Cross multiply
    1,924.31x = 2,886.17 × 537.50
  4. Step 4: Simplify right side
    1,924.31x = 1,551,324.93
  5. Step 5: Solve for x
    x = 1,551,324.93/1,924.31
  6. Step 6: Final answer
    x = 806.17

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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.