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Finding the Fourth Proportional to 25,965.45, 38,948.15 and 6,244

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Solution

The fourth proportional to 25,965.45, 38,948.15 and 6,244 is: 9,365.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,965.45 : 38,948.15 = 6,244 : x
  2. Step 2: Convert to fraction form
    25,965.45/38,948.15 = 6,244/x
  3. Step 3: Cross multiply
    25,965.45x = 38,948.15 × 6,244
  4. Step 4: Simplify right side
    25,965.45x = 243,192,248.60
  5. Step 5: Solve for x
    x = 243,192,248.60/25,965.45
  6. Step 6: Final answer
    x = 9,365.99

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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.