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Finding the Fourth Proportional to 49,412.70, 74,119.05 and 44,228.70

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Solution

The fourth proportional to 49,412.70, 74,119.05 and 44,228.70 is: 66,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,412.70 : 74,119.05 = 44,228.70 : x
  2. Step 2: Convert to fraction form
    49,412.70/74,119.05 = 44,228.70/x
  3. Step 3: Cross multiply
    49,412.70x = 74,119.05 × 44,228.70
  4. Step 4: Simplify right side
    49,412.70x = 3,278,189,226.74
  5. Step 5: Solve for x
    x = 3,278,189,226.74/49,412.70
  6. Step 6: Final answer
    x = 66,343.05

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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.