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Finding the Fourth Proportional to 5,998.88, 9,004.08 and 5,621.60

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Solution

The fourth proportional to 5,998.88, 9,004.08 and 5,621.60 is: 8,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,998.88 : 9,004.08 = 5,621.60 : x
  2. Step 2: Convert to fraction form
    5,998.88/9,004.08 = 5,621.60/x
  3. Step 3: Cross multiply
    5,998.88x = 9,004.08 × 5,621.60
  4. Step 4: Simplify right side
    5,998.88x = 50,617,336.13
  5. Step 5: Solve for x
    x = 50,617,336.13/5,998.88
  6. Step 6: Final answer
    x = 8,437.80

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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.