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Finding the Fourth Proportional to 8,734.97, 13,043.03 and 8,241.64

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Solution

The fourth proportional to 8,734.97, 13,043.03 and 8,241.64 is: 12,306.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734.97 : 13,043.03 = 8,241.64 : x
  2. Step 2: Convert to fraction form
    8,734.97/13,043.03 = 8,241.64/x
  3. Step 3: Cross multiply
    8,734.97x = 13,043.03 × 8,241.64
  4. Step 4: Simplify right side
    8,734.97x = 107,495,957.77
  5. Step 5: Solve for x
    x = 107,495,957.77/8,734.97
  6. Step 6: Final answer
    x = 12,306.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.