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Finding the Fourth Proportional to 67,277.52, 100,859.01 and 29,817.18

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Solution

The fourth proportional to 67,277.52, 100,859.01 and 29,817.18 is: 44,700.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,277.52 : 100,859.01 = 29,817.18 : x
  2. Step 2: Convert to fraction form
    67,277.52/100,859.01 = 29,817.18/x
  3. Step 3: Cross multiply
    67,277.52x = 100,859.01 × 29,817.18
  4. Step 4: Simplify right side
    67,277.52x = 3,007,331,255.79
  5. Step 5: Solve for x
    x = 3,007,331,255.79/67,277.52
  6. Step 6: Final answer
    x = 44,700.39

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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.