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Finding the Fourth Proportional to 42,692.21, 58,912.21 and 23,568.90

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Solution

The fourth proportional to 42,692.21, 58,912.21 and 23,568.90 is: 32,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,692.21 : 58,912.21 = 23,568.90 : x
  2. Step 2: Convert to fraction form
    42,692.21/58,912.21 = 23,568.90/x
  3. Step 3: Cross multiply
    42,692.21x = 58,912.21 × 23,568.90
  4. Step 4: Simplify right side
    42,692.21x = 1,388,495,573.86
  5. Step 5: Solve for x
    x = 1,388,495,573.86/42,692.21
  6. Step 6: Final answer
    x = 32,523.39

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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.