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Finding the Fourth Proportional to 6,259.69, 9,389.19 and 1,579.64

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Solution

The fourth proportional to 6,259.69, 9,389.19 and 1,579.64 is: 2,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,259.69 : 9,389.19 = 1,579.64 : x
  2. Step 2: Convert to fraction form
    6,259.69/9,389.19 = 1,579.64/x
  3. Step 3: Cross multiply
    6,259.69x = 9,389.19 × 1,579.64
  4. Step 4: Simplify right side
    6,259.69x = 14,831,540.09
  5. Step 5: Solve for x
    x = 14,831,540.09/6,259.69
  6. Step 6: Final answer
    x = 2,369.37

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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.