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Finding the Fourth Proportional to 29,291.94, 43,941.15 and 8,517.06

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Solution

The fourth proportional to 29,291.94, 43,941.15 and 8,517.06 is: 12,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,291.94 : 43,941.15 = 8,517.06 : x
  2. Step 2: Convert to fraction form
    29,291.94/43,941.15 = 8,517.06/x
  3. Step 3: Cross multiply
    29,291.94x = 43,941.15 × 8,517.06
  4. Step 4: Simplify right side
    29,291.94x = 374,249,411.02
  5. Step 5: Solve for x
    x = 374,249,411.02/29,291.94
  6. Step 6: Final answer
    x = 12,776.53

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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.