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Finding the Fourth Proportional to 65,640.63, 98,460.21 and 44,528.37

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Solution

The fourth proportional to 65,640.63, 98,460.21 and 44,528.37 is: 66,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,640.63 : 98,460.21 = 44,528.37 : x
  2. Step 2: Convert to fraction form
    65,640.63/98,460.21 = 44,528.37/x
  3. Step 3: Cross multiply
    65,640.63x = 98,460.21 × 44,528.37
  4. Step 4: Simplify right side
    65,640.63x = 4,384,272,661.16
  5. Step 5: Solve for x
    x = 4,384,272,661.16/65,640.63
  6. Step 6: Final answer
    x = 66,792.06

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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.