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Finding the Fourth Proportional to 39,798.96, 54,904.68 and 25,646.64

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Solution

The fourth proportional to 39,798.96, 54,904.68 and 25,646.64 is: 35,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,798.96 : 54,904.68 = 25,646.64 : x
  2. Step 2: Convert to fraction form
    39,798.96/54,904.68 = 25,646.64/x
  3. Step 3: Cross multiply
    39,798.96x = 54,904.68 × 25,646.64
  4. Step 4: Simplify right side
    39,798.96x = 1,408,120,562.28
  5. Step 5: Solve for x
    x = 1,408,120,562.28/39,798.96
  6. Step 6: Final answer
    x = 35,380.84

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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.