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Finding the Fourth Proportional to 67,584.04, 93,265.41 and 38,909.32

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Solution

The fourth proportional to 67,584.04, 93,265.41 and 38,909.32 is: 53,694.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,584.04 : 93,265.41 = 38,909.32 : x
  2. Step 2: Convert to fraction form
    67,584.04/93,265.41 = 38,909.32/x
  3. Step 3: Cross multiply
    67,584.04x = 93,265.41 × 38,909.32
  4. Step 4: Simplify right side
    67,584.04x = 3,628,893,682.62
  5. Step 5: Solve for x
    x = 3,628,893,682.62/67,584.04
  6. Step 6: Final answer
    x = 53,694.54

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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.