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Finding the Fourth Proportional to 64,913.58, 97,369.65 and 35,324.70

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Solution

The fourth proportional to 64,913.58, 97,369.65 and 35,324.70 is: 52,986.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,913.58 : 97,369.65 = 35,324.70 : x
  2. Step 2: Convert to fraction form
    64,913.58/97,369.65 = 35,324.70/x
  3. Step 3: Cross multiply
    64,913.58x = 97,369.65 × 35,324.70
  4. Step 4: Simplify right side
    64,913.58x = 3,439,553,675.36
  5. Step 5: Solve for x
    x = 3,439,553,675.36/64,913.58
  6. Step 6: Final answer
    x = 52,986.66

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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.