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Finding the Fourth Proportional to 65,573.72, 98,354.64 and 26,120.24

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Solution

The fourth proportional to 65,573.72, 98,354.64 and 26,120.24 is: 39,177.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,573.72 : 98,354.64 = 26,120.24 : x
  2. Step 2: Convert to fraction form
    65,573.72/98,354.64 = 26,120.24/x
  3. Step 3: Cross multiply
    65,573.72x = 98,354.64 × 26,120.24
  4. Step 4: Simplify right side
    65,573.72x = 2,569,046,801.91
  5. Step 5: Solve for x
    x = 2,569,046,801.91/65,573.72
  6. Step 6: Final answer
    x = 39,177.99

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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.