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Finding the Fourth Proportional to 3,696.03, 5,541.89 and 1,230.21

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Solution

The fourth proportional to 3,696.03, 5,541.89 and 1,230.21 is: 1,844.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.03 : 5,541.89 = 1,230.21 : x
  2. Step 2: Convert to fraction form
    3,696.03/5,541.89 = 1,230.21/x
  3. Step 3: Cross multiply
    3,696.03x = 5,541.89 × 1,230.21
  4. Step 4: Simplify right side
    3,696.03x = 6,817,682.35
  5. Step 5: Solve for x
    x = 6,817,682.35/3,696.03
  6. Step 6: Final answer
    x = 1,844.60

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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.