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Finding the Fourth Proportional to 67,860.93, 93,645.63 and 37,647.57

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Solution

The fourth proportional to 67,860.93, 93,645.63 and 37,647.57 is: 51,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,860.93 : 93,645.63 = 37,647.57 : x
  2. Step 2: Convert to fraction form
    67,860.93/93,645.63 = 37,647.57/x
  3. Step 3: Cross multiply
    67,860.93x = 93,645.63 × 37,647.57
  4. Step 4: Simplify right side
    67,860.93x = 3,525,530,410.62
  5. Step 5: Solve for x
    x = 3,525,530,410.62/67,860.93
  6. Step 6: Final answer
    x = 51,952.29

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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.