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Finding the Fourth Proportional to 65,077.79, 97,505.28 and 35,516.39

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Solution

The fourth proportional to 65,077.79, 97,505.28 and 35,516.39 is: 53,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,077.79 : 97,505.28 = 35,516.39 : x
  2. Step 2: Convert to fraction form
    65,077.79/97,505.28 = 35,516.39/x
  3. Step 3: Cross multiply
    65,077.79x = 97,505.28 × 35,516.39
  4. Step 4: Simplify right side
    65,077.79x = 3,463,035,551.54
  5. Step 5: Solve for x
    x = 3,463,035,551.54/65,077.79
  6. Step 6: Final answer
    x = 53,213.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.