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Finding the Fourth Proportional to 5,692.90, 8,541.02 and 2,921.50

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Solution

The fourth proportional to 5,692.90, 8,541.02 and 2,921.50 is: 4,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,692.90 : 8,541.02 = 2,921.50 : x
  2. Step 2: Convert to fraction form
    5,692.90/8,541.02 = 2,921.50/x
  3. Step 3: Cross multiply
    5,692.90x = 8,541.02 × 2,921.50
  4. Step 4: Simplify right side
    5,692.90x = 24,952,589.93
  5. Step 5: Solve for x
    x = 24,952,589.93/5,692.90
  6. Step 6: Final answer
    x = 4,383.11

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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.