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Finding the Fourth Proportional to 64,583.30, 89,122.17 and 35,902.90

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Solution

The fourth proportional to 64,583.30, 89,122.17 and 35,902.90 is: 49,544.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,583.30 : 89,122.17 = 35,902.90 : x
  2. Step 2: Convert to fraction form
    64,583.30/89,122.17 = 35,902.90/x
  3. Step 3: Cross multiply
    64,583.30x = 89,122.17 × 35,902.90
  4. Step 4: Simplify right side
    64,583.30x = 3,199,744,134.49
  5. Step 5: Solve for x
    x = 3,199,744,134.49/64,583.30
  6. Step 6: Final answer
    x = 49,544.45

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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.