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Finding the Fourth Proportional to 14,471.48, 21,692.34 and 6,579.49

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Solution

The fourth proportional to 14,471.48, 21,692.34 and 6,579.49 is: 9,862.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.48 : 21,692.34 = 6,579.49 : x
  2. Step 2: Convert to fraction form
    14,471.48/21,692.34 = 6,579.49/x
  3. Step 3: Cross multiply
    14,471.48x = 21,692.34 × 6,579.49
  4. Step 4: Simplify right side
    14,471.48x = 142,724,455.20
  5. Step 5: Solve for x
    x = 142,724,455.20/14,471.48
  6. Step 6: Final answer
    x = 9,862.46

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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.