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Finding the Fourth Proportional to 5,444, 7,513.40 and 3,236

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Solution

The fourth proportional to 5,444, 7,513.40 and 3,236 is: 4,466.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,444 : 7,513.40 = 3,236 : x
  2. Step 2: Convert to fraction form
    5,444/7,513.40 = 3,236/x
  3. Step 3: Cross multiply
    5,444x = 7,513.40 × 3,236
  4. Step 4: Simplify right side
    5,444x = 24,313,362.40
  5. Step 5: Solve for x
    x = 24,313,362.40/5,444
  6. Step 6: Final answer
    x = 4,466.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.