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Finding the Fourth Proportional to 55,201.40, 82,760.88 and 17,740.10

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Solution

The fourth proportional to 55,201.40, 82,760.88 and 17,740.10 is: 26,596.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,201.40 : 82,760.88 = 17,740.10 : x
  2. Step 2: Convert to fraction form
    55,201.40/82,760.88 = 17,740.10/x
  3. Step 3: Cross multiply
    55,201.40x = 82,760.88 × 17,740.10
  4. Step 4: Simplify right side
    55,201.40x = 1,468,186,287.29
  5. Step 5: Solve for x
    x = 1,468,186,287.29/55,201.40
  6. Step 6: Final answer
    x = 26,596.90

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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.