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Finding the Fourth Proportional to 8,530.58, 12,796.47 and 2,983.29

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Solution

The fourth proportional to 8,530.58, 12,796.47 and 2,983.29 is: 4,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,530.58 : 12,796.47 = 2,983.29 : x
  2. Step 2: Convert to fraction form
    8,530.58/12,796.47 = 2,983.29/x
  3. Step 3: Cross multiply
    8,530.58x = 12,796.47 × 2,983.29
  4. Step 4: Simplify right side
    8,530.58x = 38,175,580.99
  5. Step 5: Solve for x
    x = 38,175,580.99/8,530.58
  6. Step 6: Final answer
    x = 4,475.15

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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.