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Finding the Fourth Proportional to 62,820.40, 94,230.60 and 45,907.60

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Solution

The fourth proportional to 62,820.40, 94,230.60 and 45,907.60 is: 68,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,820.40 : 94,230.60 = 45,907.60 : x
  2. Step 2: Convert to fraction form
    62,820.40/94,230.60 = 45,907.60/x
  3. Step 3: Cross multiply
    62,820.40x = 94,230.60 × 45,907.60
  4. Step 4: Simplify right side
    62,820.40x = 4,325,900,692.56
  5. Step 5: Solve for x
    x = 4,325,900,692.56/62,820.40
  6. Step 6: Final answer
    x = 68,861.40

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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.