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Finding the Fourth Proportional to 4,692.78, 7,034.85 and 1,769.09

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Solution

The fourth proportional to 4,692.78, 7,034.85 and 1,769.09 is: 2,652.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,692.78 : 7,034.85 = 1,769.09 : x
  2. Step 2: Convert to fraction form
    4,692.78/7,034.85 = 1,769.09/x
  3. Step 3: Cross multiply
    4,692.78x = 7,034.85 × 1,769.09
  4. Step 4: Simplify right side
    4,692.78x = 12,445,247.61
  5. Step 5: Solve for x
    x = 12,445,247.61/4,692.78
  6. Step 6: Final answer
    x = 2,652.00

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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.