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Finding the Fourth Proportional to 55,375.37, 83,060.14 and 15,930.94

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Solution

The fourth proportional to 55,375.37, 83,060.14 and 15,930.94 is: 23,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,375.37 : 83,060.14 = 15,930.94 : x
  2. Step 2: Convert to fraction form
    55,375.37/83,060.14 = 15,930.94/x
  3. Step 3: Cross multiply
    55,375.37x = 83,060.14 × 15,930.94
  4. Step 4: Simplify right side
    55,375.37x = 1,323,226,106.73
  5. Step 5: Solve for x
    x = 1,323,226,106.73/55,375.37
  6. Step 6: Final answer
    x = 23,895.57

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1.5x scale

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.