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Finding the Fourth Proportional to 3,495.19, 5,243.50 and 1,443.19

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Solution

The fourth proportional to 3,495.19, 5,243.50 and 1,443.19 is: 2,165.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.19 : 5,243.50 = 1,443.19 : x
  2. Step 2: Convert to fraction form
    3,495.19/5,243.50 = 1,443.19/x
  3. Step 3: Cross multiply
    3,495.19x = 5,243.50 × 1,443.19
  4. Step 4: Simplify right side
    3,495.19x = 7,567,355.46
  5. Step 5: Solve for x
    x = 7,567,355.46/3,495.19
  6. Step 6: Final answer
    x = 2,165.08

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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.