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Finding the Fourth Proportional to 67,806.76, 101,710.12 and 26,253.76

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Solution

The fourth proportional to 67,806.76, 101,710.12 and 26,253.76 is: 39,380.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,806.76 : 101,710.12 = 26,253.76 : x
  2. Step 2: Convert to fraction form
    67,806.76/101,710.12 = 26,253.76/x
  3. Step 3: Cross multiply
    67,806.76x = 101,710.12 × 26,253.76
  4. Step 4: Simplify right side
    67,806.76x = 2,670,273,080.05
  5. Step 5: Solve for x
    x = 2,670,273,080.05/67,806.76
  6. Step 6: Final answer
    x = 39,380.63

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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.