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Finding the Fourth Proportional to 10,692.80, 14,755.98 and 5,977.04

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Solution

The fourth proportional to 10,692.80, 14,755.98 and 5,977.04 is: 8,248.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,692.80 : 14,755.98 = 5,977.04 : x
  2. Step 2: Convert to fraction form
    10,692.80/14,755.98 = 5,977.04/x
  3. Step 3: Cross multiply
    10,692.80x = 14,755.98 × 5,977.04
  4. Step 4: Simplify right side
    10,692.80x = 88,197,082.70
  5. Step 5: Solve for x
    x = 88,197,082.70/10,692.80
  6. Step 6: Final answer
    x = 8,248.27

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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.