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Finding the Fourth Proportional to 55,604.70, 83,297.70 and 51,668.10

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Solution

The fourth proportional to 55,604.70, 83,297.70 and 51,668.10 is: 77,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604.70 : 83,297.70 = 51,668.10 : x
  2. Step 2: Convert to fraction form
    55,604.70/83,297.70 = 51,668.10/x
  3. Step 3: Cross multiply
    55,604.70x = 83,297.70 × 51,668.10
  4. Step 4: Simplify right side
    55,604.70x = 4,303,833,893.37
  5. Step 5: Solve for x
    x = 4,303,833,893.37/55,604.70
  6. Step 6: Final answer
    x = 77,400.54

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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.