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Finding the Fourth Proportional to 25,396.41, 38,104.64 and 7,867.60

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Solution

The fourth proportional to 25,396.41, 38,104.64 and 7,867.60 is: 11,804.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,396.41 : 38,104.64 = 7,867.60 : x
  2. Step 2: Convert to fraction form
    25,396.41/38,104.64 = 7,867.60/x
  3. Step 3: Cross multiply
    25,396.41x = 38,104.64 × 7,867.60
  4. Step 4: Simplify right side
    25,396.41x = 299,792,065.66
  5. Step 5: Solve for x
    x = 299,792,065.66/25,396.41
  6. Step 6: Final answer
    x = 11,804.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.