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Finding the Fourth Proportional to 5,559.66, 7,679.07 and 4,396.14

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Solution

The fourth proportional to 5,559.66, 7,679.07 and 4,396.14 is: 6,072.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,559.66 : 7,679.07 = 4,396.14 : x
  2. Step 2: Convert to fraction form
    5,559.66/7,679.07 = 4,396.14/x
  3. Step 3: Cross multiply
    5,559.66x = 7,679.07 × 4,396.14
  4. Step 4: Simplify right side
    5,559.66x = 33,758,266.79
  5. Step 5: Solve for x
    x = 33,758,266.79/5,559.66
  6. Step 6: Final answer
    x = 6,072.00

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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.