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Finding the Fourth Proportional to 49,228.70, 73,733.70 and 42,667.70

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Solution

The fourth proportional to 49,228.70, 73,733.70 and 42,667.70 is: 63,906.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,228.70 : 73,733.70 = 42,667.70 : x
  2. Step 2: Convert to fraction form
    49,228.70/73,733.70 = 42,667.70/x
  3. Step 3: Cross multiply
    49,228.70x = 73,733.70 × 42,667.70
  4. Step 4: Simplify right side
    49,228.70x = 3,146,047,391.49
  5. Step 5: Solve for x
    x = 3,146,047,391.49/49,228.70
  6. Step 6: Final answer
    x = 63,906.77

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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.