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Finding the Fourth Proportional to 8,941.59, 13,412.67 and 4,262.11

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Solution

The fourth proportional to 8,941.59, 13,412.67 and 4,262.11 is: 6,393.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.59 : 13,412.67 = 4,262.11 : x
  2. Step 2: Convert to fraction form
    8,941.59/13,412.67 = 4,262.11/x
  3. Step 3: Cross multiply
    8,941.59x = 13,412.67 × 4,262.11
  4. Step 4: Simplify right side
    8,941.59x = 57,166,252.84
  5. Step 5: Solve for x
    x = 57,166,252.84/8,941.59
  6. Step 6: Final answer
    x = 6,393.30

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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.