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Finding the Fourth Proportional to 65,061.82, 89,782.59 and 36,768.58

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Solution

The fourth proportional to 65,061.82, 89,782.59 and 36,768.58 is: 50,739.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,061.82 : 89,782.59 = 36,768.58 : x
  2. Step 2: Convert to fraction form
    65,061.82/89,782.59 = 36,768.58/x
  3. Step 3: Cross multiply
    65,061.82x = 89,782.59 × 36,768.58
  4. Step 4: Simplify right side
    65,061.82x = 3,301,178,343.02
  5. Step 5: Solve for x
    x = 3,301,178,343.02/65,061.82
  6. Step 6: Final answer
    x = 50,739.10

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