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Finding the Fourth Proportional to 6,317.88, 9,478.50 and 1,935.48

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Solution

The fourth proportional to 6,317.88, 9,478.50 and 1,935.48 is: 2,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,317.88 : 9,478.50 = 1,935.48 : x
  2. Step 2: Convert to fraction form
    6,317.88/9,478.50 = 1,935.48/x
  3. Step 3: Cross multiply
    6,317.88x = 9,478.50 × 1,935.48
  4. Step 4: Simplify right side
    6,317.88x = 18,345,447.18
  5. Step 5: Solve for x
    x = 18,345,447.18/6,317.88
  6. Step 6: Final answer
    x = 2,903.73

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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.