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Finding the Fourth Proportional to 65,606.00, 98,424.61 and 21,232.75

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Solution

The fourth proportional to 65,606.00, 98,424.61 and 21,232.75 is: 31,854.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,606.00 : 98,424.61 = 21,232.75 : x
  2. Step 2: Convert to fraction form
    65,606.00/98,424.61 = 21,232.75/x
  3. Step 3: Cross multiply
    65,606.00x = 98,424.61 × 21,232.75
  4. Step 4: Simplify right side
    65,606.00x = 2,089,824,951.56
  5. Step 5: Solve for x
    x = 2,089,824,951.56/65,606.00
  6. Step 6: Final answer
    x = 31,854.18

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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.