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Finding the Fourth Proportional to 66,096.51, 91,213.24 and 35,881.81

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Solution

The fourth proportional to 66,096.51, 91,213.24 and 35,881.81 is: 49,516.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,096.51 : 91,213.24 = 35,881.81 : x
  2. Step 2: Convert to fraction form
    66,096.51/91,213.24 = 35,881.81/x
  3. Step 3: Cross multiply
    66,096.51x = 91,213.24 × 35,881.81
  4. Step 4: Simplify right side
    66,096.51x = 3,272,896,153.24
  5. Step 5: Solve for x
    x = 3,272,896,153.24/66,096.51
  6. Step 6: Final answer
    x = 49,516.93

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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.