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Finding the Fourth Proportional to 65,262.50, 90,062.34 and 35,454.50

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Solution

The fourth proportional to 65,262.50, 90,062.34 and 35,454.50 is: 48,927.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,262.50 : 90,062.34 = 35,454.50 : x
  2. Step 2: Convert to fraction form
    65,262.50/90,062.34 = 35,454.50/x
  3. Step 3: Cross multiply
    65,262.50x = 90,062.34 × 35,454.50
  4. Step 4: Simplify right side
    65,262.50x = 3,193,115,233.53
  5. Step 5: Solve for x
    x = 3,193,115,233.53/65,262.50
  6. Step 6: Final answer
    x = 48,927.26

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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.