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Finding the Fourth Proportional to 5,295.13, 7,939.63 and 3,099.25

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Solution

The fourth proportional to 5,295.13, 7,939.63 and 3,099.25 is: 4,647.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,295.13 : 7,939.63 = 3,099.25 : x
  2. Step 2: Convert to fraction form
    5,295.13/7,939.63 = 3,099.25/x
  3. Step 3: Cross multiply
    5,295.13x = 7,939.63 × 3,099.25
  4. Step 4: Simplify right side
    5,295.13x = 24,606,898.28
  5. Step 5: Solve for x
    x = 24,606,898.28/5,295.13
  6. Step 6: Final answer
    x = 4,647.08

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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.