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Finding the Fourth Proportional to 5,504.04, 8,208.99 and 5,309.64

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Solution

The fourth proportional to 5,504.04, 8,208.99 and 5,309.64 is: 7,919.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,504.04 : 8,208.99 = 5,309.64 : x
  2. Step 2: Convert to fraction form
    5,504.04/8,208.99 = 5,309.64/x
  3. Step 3: Cross multiply
    5,504.04x = 8,208.99 × 5,309.64
  4. Step 4: Simplify right side
    5,504.04x = 43,586,781.66
  5. Step 5: Solve for x
    x = 43,586,781.66/5,504.04
  6. Step 6: Final answer
    x = 7,919.05

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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.