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Finding the Fourth Proportional to 8,602.54, 12,901.04 and 2,757.76

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Solution

The fourth proportional to 8,602.54, 12,901.04 and 2,757.76 is: 4,135.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.54 : 12,901.04 = 2,757.76 : x
  2. Step 2: Convert to fraction form
    8,602.54/12,901.04 = 2,757.76/x
  3. Step 3: Cross multiply
    8,602.54x = 12,901.04 × 2,757.76
  4. Step 4: Simplify right side
    8,602.54x = 35,577,972.07
  5. Step 5: Solve for x
    x = 35,577,972.07/8,602.54
  6. Step 6: Final answer
    x = 4,135.75

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1.5x scale

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.