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Finding the Fourth Proportional to 25,365.19, 38,046.70 and 6,644.82

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Solution

The fourth proportional to 25,365.19, 38,046.70 and 6,644.82 is: 9,966.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,365.19 : 38,046.70 = 6,644.82 : x
  2. Step 2: Convert to fraction form
    25,365.19/38,046.70 = 6,644.82/x
  3. Step 3: Cross multiply
    25,365.19x = 38,046.70 × 6,644.82
  4. Step 4: Simplify right side
    25,365.19x = 252,813,320.46
  5. Step 5: Solve for x
    x = 252,813,320.46/25,365.19
  6. Step 6: Final answer
    x = 9,966.94

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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.