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Finding the Fourth Proportional to 3,669.93, 5,503.91 and 1,204.20

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Solution

The fourth proportional to 3,669.93, 5,503.91 and 1,204.20 is: 1,805.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669.93 : 5,503.91 = 1,204.20 : x
  2. Step 2: Convert to fraction form
    3,669.93/5,503.91 = 1,204.20/x
  3. Step 3: Cross multiply
    3,669.93x = 5,503.91 × 1,204.20
  4. Step 4: Simplify right side
    3,669.93x = 6,627,802.40
  5. Step 5: Solve for x
    x = 6,627,802.40/3,669.93
  6. Step 6: Final answer
    x = 1,805.98

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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.