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Finding the Fourth Proportional to 64,912.62, 97,329.51 and 25,422.42

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Solution

The fourth proportional to 64,912.62, 97,329.51 and 25,422.42 is: 38,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,912.62 : 97,329.51 = 25,422.42 : x
  2. Step 2: Convert to fraction form
    64,912.62/97,329.51 = 25,422.42/x
  3. Step 3: Cross multiply
    64,912.62x = 97,329.51 × 25,422.42
  4. Step 4: Simplify right side
    64,912.62x = 2,474,351,681.61
  5. Step 5: Solve for x
    x = 2,474,351,681.61/64,912.62
  6. Step 6: Final answer
    x = 38,118.19

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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.