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Finding the Fourth Proportional to 1,924.56, 2,886.55 and 537.75

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Solution

The fourth proportional to 1,924.56, 2,886.55 and 537.75 is: 806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,924.56 : 2,886.55 = 537.75 : x
  2. Step 2: Convert to fraction form
    1,924.56/2,886.55 = 537.75/x
  3. Step 3: Cross multiply
    1,924.56x = 2,886.55 × 537.75
  4. Step 4: Simplify right side
    1,924.56x = 1,552,242.26
  5. Step 5: Solve for x
    x = 1,552,242.26/1,924.56
  6. Step 6: Final answer
    x = 806.54

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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.