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Finding the Fourth Proportional to 25,394.16, 38,091.24 and 7,863.60

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Solution

The fourth proportional to 25,394.16, 38,091.24 and 7,863.60 is: 11,795.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,394.16 : 38,091.24 = 7,863.60 : x
  2. Step 2: Convert to fraction form
    25,394.16/38,091.24 = 7,863.60/x
  3. Step 3: Cross multiply
    25,394.16x = 38,091.24 × 7,863.60
  4. Step 4: Simplify right side
    25,394.16x = 299,534,274.86
  5. Step 5: Solve for x
    x = 299,534,274.86/25,394.16
  6. Step 6: Final answer
    x = 11,795.40

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