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Finding the Fourth Proportional to 8,668.08, 13,004.18 and 4,507.16

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Solution

The fourth proportional to 8,668.08, 13,004.18 and 4,507.16 is: 6,761.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,668.08 : 13,004.18 = 4,507.16 : x
  2. Step 2: Convert to fraction form
    8,668.08/13,004.18 = 4,507.16/x
  3. Step 3: Cross multiply
    8,668.08x = 13,004.18 × 4,507.16
  4. Step 4: Simplify right side
    8,668.08x = 58,611,832.37
  5. Step 5: Solve for x
    x = 58,611,832.37/8,668.08
  6. Step 6: Final answer
    x = 6,761.80

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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.