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Finding the Fourth Proportional to 45,314.60, 67,907.10 and 33,375.20

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Solution

The fourth proportional to 45,314.60, 67,907.10 and 33,375.20 is: 50,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,314.60 : 67,907.10 = 33,375.20 : x
  2. Step 2: Convert to fraction form
    45,314.60/67,907.10 = 33,375.20/x
  3. Step 3: Cross multiply
    45,314.60x = 67,907.10 × 33,375.20
  4. Step 4: Simplify right side
    45,314.60x = 2,266,413,043.92
  5. Step 5: Solve for x
    x = 2,266,413,043.92/45,314.60
  6. Step 6: Final answer
    x = 50,015.07

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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.