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Finding the Fourth Proportional to 2,594.58, 3,891.87 and 1,056.66

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Solution

The fourth proportional to 2,594.58, 3,891.87 and 1,056.66 is: 1,584.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,594.58 : 3,891.87 = 1,056.66 : x
  2. Step 2: Convert to fraction form
    2,594.58/3,891.87 = 1,056.66/x
  3. Step 3: Cross multiply
    2,594.58x = 3,891.87 × 1,056.66
  4. Step 4: Simplify right side
    2,594.58x = 4,112,383.35
  5. Step 5: Solve for x
    x = 4,112,383.35/2,594.58
  6. Step 6: Final answer
    x = 1,584.99

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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.