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Finding the Fourth Proportional to 65,460.35, 98,190.59 and 21,093.71

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Solution

The fourth proportional to 65,460.35, 98,190.59 and 21,093.71 is: 31,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,460.35 : 98,190.59 = 21,093.71 : x
  2. Step 2: Convert to fraction form
    65,460.35/98,190.59 = 21,093.71/x
  3. Step 3: Cross multiply
    65,460.35x = 98,190.59 × 21,093.71
  4. Step 4: Simplify right side
    65,460.35x = 2,071,203,391.97
  5. Step 5: Solve for x
    x = 2,071,203,391.97/65,460.35
  6. Step 6: Final answer
    x = 31,640.58

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1.5x scale

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.