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Finding the Fourth Proportional to 49,467.70, 74,201.55 and 48,009.70

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Solution

The fourth proportional to 49,467.70, 74,201.55 and 48,009.70 is: 72,014.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,467.70 : 74,201.55 = 48,009.70 : x
  2. Step 2: Convert to fraction form
    49,467.70/74,201.55 = 48,009.70/x
  3. Step 3: Cross multiply
    49,467.70x = 74,201.55 × 48,009.70
  4. Step 4: Simplify right side
    49,467.70x = 3,562,394,155.04
  5. Step 5: Solve for x
    x = 3,562,394,155.04/49,467.70
  6. Step 6: Final answer
    x = 72,014.55

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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.