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Finding the Fourth Proportional to 67,893.39, 93,704.14 and 39,599.08

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Solution

The fourth proportional to 67,893.39, 93,704.14 and 39,599.08 is: 54,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,893.39 : 93,704.14 = 39,599.08 : x
  2. Step 2: Convert to fraction form
    67,893.39/93,704.14 = 39,599.08/x
  3. Step 3: Cross multiply
    67,893.39x = 93,704.14 × 39,599.08
  4. Step 4: Simplify right side
    67,893.39x = 3,710,597,551.43
  5. Step 5: Solve for x
    x = 3,710,597,551.43/67,893.39
  6. Step 6: Final answer
    x = 54,653.30

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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.