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Finding the Fourth Proportional to 67,860.64, 93,647.64 and 37,650.60

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Solution

The fourth proportional to 67,860.64, 93,647.64 and 37,650.60 is: 51,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,860.64 : 93,647.64 = 37,650.60 : x
  2. Step 2: Convert to fraction form
    67,860.64/93,647.64 = 37,650.60/x
  3. Step 3: Cross multiply
    67,860.64x = 93,647.64 × 37,650.60
  4. Step 4: Simplify right side
    67,860.64x = 3,525,889,834.58
  5. Step 5: Solve for x
    x = 3,525,889,834.58/67,860.64
  6. Step 6: Final answer
    x = 51,957.80

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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.