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Finding the Fourth Proportional to 49,969.60, 74,954.40 and 36,847.60

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Solution

The fourth proportional to 49,969.60, 74,954.40 and 36,847.60 is: 55,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,969.60 : 74,954.40 = 36,847.60 : x
  2. Step 2: Convert to fraction form
    49,969.60/74,954.40 = 36,847.60/x
  3. Step 3: Cross multiply
    49,969.60x = 74,954.40 × 36,847.60
  4. Step 4: Simplify right side
    49,969.60x = 2,761,889,749.44
  5. Step 5: Solve for x
    x = 2,761,889,749.44/49,969.60
  6. Step 6: Final answer
    x = 55,271.40

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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.