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Finding the Fourth Proportional to 5,329.48, 7,993.03 and 2,990.53

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Solution

The fourth proportional to 5,329.48, 7,993.03 and 2,990.53 is: 4,485.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.48 : 7,993.03 = 2,990.53 : x
  2. Step 2: Convert to fraction form
    5,329.48/7,993.03 = 2,990.53/x
  3. Step 3: Cross multiply
    5,329.48x = 7,993.03 × 2,990.53
  4. Step 4: Simplify right side
    5,329.48x = 23,903,415.37
  5. Step 5: Solve for x
    x = 23,903,415.37/5,329.48
  6. Step 6: Final answer
    x = 4,485.13

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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.