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Finding the Fourth Proportional to 65,840.56, 98,750.48 and 21,466.94

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Solution

The fourth proportional to 65,840.56, 98,750.48 and 21,466.94 is: 32,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,840.56 : 98,750.48 = 21,466.94 : x
  2. Step 2: Convert to fraction form
    65,840.56/98,750.48 = 21,466.94/x
  3. Step 3: Cross multiply
    65,840.56x = 98,750.48 × 21,466.94
  4. Step 4: Simplify right side
    65,840.56x = 2,119,870,028.04
  5. Step 5: Solve for x
    x = 2,119,870,028.04/65,840.56
  6. Step 6: Final answer
    x = 32,197.02

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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.