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Finding the Fourth Proportional to 6,079.99, 8,389.93 and 3,561.94

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Solution

The fourth proportional to 6,079.99, 8,389.93 and 3,561.94 is: 4,915.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,079.99 : 8,389.93 = 3,561.94 : x
  2. Step 2: Convert to fraction form
    6,079.99/8,389.93 = 3,561.94/x
  3. Step 3: Cross multiply
    6,079.99x = 8,389.93 × 3,561.94
  4. Step 4: Simplify right side
    6,079.99x = 29,884,427.26
  5. Step 5: Solve for x
    x = 29,884,427.26/6,079.99
  6. Step 6: Final answer
    x = 4,915.21

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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.