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Finding the Fourth Proportional to 55,951.70, 83,927.55 and 19,015.70

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Solution

The fourth proportional to 55,951.70, 83,927.55 and 19,015.70 is: 28,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,951.70 : 83,927.55 = 19,015.70 : x
  2. Step 2: Convert to fraction form
    55,951.70/83,927.55 = 19,015.70/x
  3. Step 3: Cross multiply
    55,951.70x = 83,927.55 × 19,015.70
  4. Step 4: Simplify right side
    55,951.70x = 1,595,941,112.54
  5. Step 5: Solve for x
    x = 1,595,941,112.54/55,951.70
  6. Step 6: Final answer
    x = 28,523.55

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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.