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Finding the Fourth Proportional to 2,692.48, 3,714.96 and 1,644.16

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Solution

The fourth proportional to 2,692.48, 3,714.96 and 1,644.16 is: 2,268.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,692.48 : 3,714.96 = 1,644.16 : x
  2. Step 2: Convert to fraction form
    2,692.48/3,714.96 = 1,644.16/x
  3. Step 3: Cross multiply
    2,692.48x = 3,714.96 × 1,644.16
  4. Step 4: Simplify right side
    2,692.48x = 6,107,988.63
  5. Step 5: Solve for x
    x = 6,107,988.63/2,692.48
  6. Step 6: Final answer
    x = 2,268.54

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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.