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Finding the Fourth Proportional to 25,539.37, 38,308.93 and 6,563.99

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Solution

The fourth proportional to 25,539.37, 38,308.93 and 6,563.99 is: 9,845.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,539.37 : 38,308.93 = 6,563.99 : x
  2. Step 2: Convert to fraction form
    25,539.37/38,308.93 = 6,563.99/x
  3. Step 3: Cross multiply
    25,539.37x = 38,308.93 × 6,563.99
  4. Step 4: Simplify right side
    25,539.37x = 251,459,433.43
  5. Step 5: Solve for x
    x = 251,459,433.43/25,539.37
  6. Step 6: Final answer
    x = 9,845.95

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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.