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Finding the Fourth Proportional to 74,674.56, 103,050.87 and 41,140.56

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Solution

The fourth proportional to 74,674.56, 103,050.87 and 41,140.56 is: 56,773.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,674.56 : 103,050.87 = 41,140.56 : x
  2. Step 2: Convert to fraction form
    74,674.56/103,050.87 = 41,140.56/x
  3. Step 3: Cross multiply
    74,674.56x = 103,050.87 × 41,140.56
  4. Step 4: Simplify right side
    74,674.56x = 4,239,570,500.29
  5. Step 5: Solve for x
    x = 4,239,570,500.29/74,674.56
  6. Step 6: Final answer
    x = 56,773.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.