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Finding the Fourth Proportional to 8,507.66, 12,764.08 and 4,350.59

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Solution

The fourth proportional to 8,507.66, 12,764.08 and 4,350.59 is: 6,527.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.66 : 12,764.08 = 4,350.59 : x
  2. Step 2: Convert to fraction form
    8,507.66/12,764.08 = 4,350.59/x
  3. Step 3: Cross multiply
    8,507.66x = 12,764.08 × 4,350.59
  4. Step 4: Simplify right side
    8,507.66x = 55,531,204.11
  5. Step 5: Solve for x
    x = 55,531,204.11/8,507.66
  6. Step 6: Final answer
    x = 6,527.20

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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.