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Finding the Fourth Proportional to 55,289.40, 82,921.14 and 37,754.52

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Solution

The fourth proportional to 55,289.40, 82,921.14 and 37,754.52 is: 56,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,289.40 : 82,921.14 = 37,754.52 : x
  2. Step 2: Convert to fraction form
    55,289.40/82,921.14 = 37,754.52/x
  3. Step 3: Cross multiply
    55,289.40x = 82,921.14 × 37,754.52
  4. Step 4: Simplify right side
    55,289.40x = 3,130,647,838.55
  5. Step 5: Solve for x
    x = 3,130,647,838.55/55,289.40
  6. Step 6: Final answer
    x = 56,622.93

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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.