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Finding the Fourth Proportional to 65,040, 89,755.22 and 35,232

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Solution

The fourth proportional to 65,040, 89,755.22 and 35,232 is: 48,620.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,040 : 89,755.22 = 35,232 : x
  2. Step 2: Convert to fraction form
    65,040/89,755.22 = 35,232/x
  3. Step 3: Cross multiply
    65,040x = 89,755.22 × 35,232
  4. Step 4: Simplify right side
    65,040x = 3,162,255,911.04
  5. Step 5: Solve for x
    x = 3,162,255,911.04/65,040
  6. Step 6: Final answer
    x = 48,620.17

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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.