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Finding the Fourth Proportional to 45,957.31, 68,995 and 35,434.02

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Solution

The fourth proportional to 45,957.31, 68,995 and 35,434.02 is: 53,196.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,957.31 : 68,995 = 35,434.02 : x
  2. Step 2: Convert to fraction form
    45,957.31/68,995 = 35,434.02/x
  3. Step 3: Cross multiply
    45,957.31x = 68,995 × 35,434.02
  4. Step 4: Simplify right side
    45,957.31x = 2,444,769,864.93
  5. Step 5: Solve for x
    x = 2,444,769,864.93/45,957.31
  6. Step 6: Final answer
    x = 53,196.54

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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.