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Finding the Fourth Proportional to 8,058.76, 12,090.48 and 2,865.04

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Solution

The fourth proportional to 8,058.76, 12,090.48 and 2,865.04 is: 4,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,058.76 : 12,090.48 = 2,865.04 : x
  2. Step 2: Convert to fraction form
    8,058.76/12,090.48 = 2,865.04/x
  3. Step 3: Cross multiply
    8,058.76x = 12,090.48 × 2,865.04
  4. Step 4: Simplify right side
    8,058.76x = 34,639,708.82
  5. Step 5: Solve for x
    x = 34,639,708.82/8,058.76
  6. Step 6: Final answer
    x = 4,298.39

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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.