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Finding the Fourth Proportional to 35,939.50, 53,870.53 and 17,179.64

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Solution

The fourth proportional to 35,939.50, 53,870.53 and 17,179.64 is: 25,750.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.50 : 53,870.53 = 17,179.64 : x
  2. Step 2: Convert to fraction form
    35,939.50/53,870.53 = 17,179.64/x
  3. Step 3: Cross multiply
    35,939.50x = 53,870.53 × 17,179.64
  4. Step 4: Simplify right side
    35,939.50x = 925,476,312.01
  5. Step 5: Solve for x
    x = 925,476,312.01/35,939.50
  6. Step 6: Final answer
    x = 25,750.95

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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.