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Finding the Fourth Proportional to 5,566.79, 7,682.90 and 3,654.25

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Solution

The fourth proportional to 5,566.79, 7,682.90 and 3,654.25 is: 5,043.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,566.79 : 7,682.90 = 3,654.25 : x
  2. Step 2: Convert to fraction form
    5,566.79/7,682.90 = 3,654.25/x
  3. Step 3: Cross multiply
    5,566.79x = 7,682.90 × 3,654.25
  4. Step 4: Simplify right side
    5,566.79x = 28,075,180.64
  5. Step 5: Solve for x
    x = 28,075,180.64/5,566.79
  6. Step 6: Final answer
    x = 5,043.33

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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.