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Finding the Fourth Proportional to 8,791.40, 13,187.10 and 3,596.06

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Solution

The fourth proportional to 8,791.40, 13,187.10 and 3,596.06 is: 5,394.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,791.40 : 13,187.10 = 3,596.06 : x
  2. Step 2: Convert to fraction form
    8,791.40/13,187.10 = 3,596.06/x
  3. Step 3: Cross multiply
    8,791.40x = 13,187.10 × 3,596.06
  4. Step 4: Simplify right side
    8,791.40x = 47,421,602.83
  5. Step 5: Solve for x
    x = 47,421,602.83/8,791.40
  6. Step 6: Final answer
    x = 5,394.09

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Similar ratio
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1.5x scale

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.