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Finding the Fourth Proportional to 65,898.02, 90,945.78 and 37,607.96

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Solution

The fourth proportional to 65,898.02, 90,945.78 and 37,607.96 is: 51,902.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898.02 : 90,945.78 = 37,607.96 : x
  2. Step 2: Convert to fraction form
    65,898.02/90,945.78 = 37,607.96/x
  3. Step 3: Cross multiply
    65,898.02x = 90,945.78 × 37,607.96
  4. Step 4: Simplify right side
    65,898.02x = 3,420,285,256.41
  5. Step 5: Solve for x
    x = 3,420,285,256.41/65,898.02
  6. Step 6: Final answer
    x = 51,902.70

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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.