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Finding the Fourth Proportional to 49,409.80, 74,114.70 and 33,742.60

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Solution

The fourth proportional to 49,409.80, 74,114.70 and 33,742.60 is: 50,613.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,409.80 : 74,114.70 = 33,742.60 : x
  2. Step 2: Convert to fraction form
    49,409.80/74,114.70 = 33,742.60/x
  3. Step 3: Cross multiply
    49,409.80x = 74,114.70 × 33,742.60
  4. Step 4: Simplify right side
    49,409.80x = 2,500,822,676.22
  5. Step 5: Solve for x
    x = 2,500,822,676.22/49,409.80
  6. Step 6: Final answer
    x = 50,613.90

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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.