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Finding the Fourth Proportional to 67,759.88, 93,509.98 and 39,467.39

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Solution

The fourth proportional to 67,759.88, 93,509.98 and 39,467.39 is: 54,465.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,759.88 : 93,509.98 = 39,467.39 : x
  2. Step 2: Convert to fraction form
    67,759.88/93,509.98 = 39,467.39/x
  3. Step 3: Cross multiply
    67,759.88x = 93,509.98 × 39,467.39
  4. Step 4: Simplify right side
    67,759.88x = 3,690,594,283.33
  5. Step 5: Solve for x
    x = 3,690,594,283.33/67,759.88
  6. Step 6: Final answer
    x = 54,465.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.