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Finding the Fourth Proportional to 5,629.50, 8,403.03 and 4,964.48

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Solution

The fourth proportional to 5,629.50, 8,403.03 and 4,964.48 is: 7,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,629.50 : 8,403.03 = 4,964.48 : x
  2. Step 2: Convert to fraction form
    5,629.50/8,403.03 = 4,964.48/x
  3. Step 3: Cross multiply
    5,629.50x = 8,403.03 × 4,964.48
  4. Step 4: Simplify right side
    5,629.50x = 41,716,632.36
  5. Step 5: Solve for x
    x = 41,716,632.36/5,629.50
  6. Step 6: Final answer
    x = 7,410.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.