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Finding the Fourth Proportional to 67,777.49, 101,664.70 and 23,400.07

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Solution

The fourth proportional to 67,777.49, 101,664.70 and 23,400.07 is: 35,099.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,777.49 : 101,664.70 = 23,400.07 : x
  2. Step 2: Convert to fraction form
    67,777.49/101,664.70 = 23,400.07/x
  3. Step 3: Cross multiply
    67,777.49x = 101,664.70 × 23,400.07
  4. Step 4: Simplify right side
    67,777.49x = 2,378,960,783.87
  5. Step 5: Solve for x
    x = 2,378,960,783.87/67,777.49
  6. Step 6: Final answer
    x = 35,099.57

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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.