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Finding the Fourth Proportional to 65,905.02, 90,955.44 and 37,614.96

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Solution

The fourth proportional to 65,905.02, 90,955.44 and 37,614.96 is: 51,912.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.02 : 90,955.44 = 37,614.96 : x
  2. Step 2: Convert to fraction form
    65,905.02/90,955.44 = 37,614.96/x
  3. Step 3: Cross multiply
    65,905.02x = 90,955.44 × 37,614.96
  4. Step 4: Simplify right side
    65,905.02x = 3,421,285,237.38
  5. Step 5: Solve for x
    x = 3,421,285,237.38/65,905.02
  6. Step 6: Final answer
    x = 51,912.36

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1.5x scale

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.