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Finding the Fourth Proportional to 64,190.25, 88,580.88 and 35,510.97

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Solution

The fourth proportional to 64,190.25, 88,580.88 and 35,510.97 is: 49,004.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,190.25 : 88,580.88 = 35,510.97 : x
  2. Step 2: Convert to fraction form
    64,190.25/88,580.88 = 35,510.97/x
  3. Step 3: Cross multiply
    64,190.25x = 88,580.88 × 35,510.97
  4. Step 4: Simplify right side
    64,190.25x = 3,145,592,972.25
  5. Step 5: Solve for x
    x = 3,145,592,972.25/64,190.25
  6. Step 6: Final answer
    x = 49,004.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.