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Finding the Fourth Proportional to 65,933.73, 98,953.74 and 34,353.45

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Solution

The fourth proportional to 65,933.73, 98,953.74 and 34,353.45 is: 51,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,933.73 : 98,953.74 = 34,353.45 : x
  2. Step 2: Convert to fraction form
    65,933.73/98,953.74 = 34,353.45/x
  3. Step 3: Cross multiply
    65,933.73x = 98,953.74 × 34,353.45
  4. Step 4: Simplify right side
    65,933.73x = 3,399,402,359.40
  5. Step 5: Solve for x
    x = 3,399,402,359.40/65,933.73
  6. Step 6: Final answer
    x = 51,557.87

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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.