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Finding the Fourth Proportional to 8,530.96, 12,794.52 and 3,058.96

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Solution

The fourth proportional to 8,530.96, 12,794.52 and 3,058.96 is: 4,587.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.96 : 12,794.52 = 3,058.96 : x
  2. Step 2: Convert to fraction form
    8,530.96/12,794.52 = 3,058.96/x
  3. Step 3: Cross multiply
    8,530.96x = 12,794.52 × 3,058.96
  4. Step 4: Simplify right side
    8,530.96x = 39,137,924.90
  5. Step 5: Solve for x
    x = 39,137,924.90/8,530.96
  6. Step 6: Final answer
    x = 4,587.75

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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.