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Finding the Fourth Proportional to 65,951.67, 98,941.34 and 21,574.94

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Solution

The fourth proportional to 65,951.67, 98,941.34 and 21,574.94 is: 32,366.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,951.67 : 98,941.34 = 21,574.94 : x
  2. Step 2: Convert to fraction form
    65,951.67/98,941.34 = 21,574.94/x
  3. Step 3: Cross multiply
    65,951.67x = 98,941.34 × 21,574.94
  4. Step 4: Simplify right side
    65,951.67x = 2,134,653,775.31
  5. Step 5: Solve for x
    x = 2,134,653,775.31/65,951.67
  6. Step 6: Final answer
    x = 32,366.94

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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.