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Finding the Fourth Proportional to 2,362.69, 3,540.95 and 974.44

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Solution

The fourth proportional to 2,362.69, 3,540.95 and 974.44 is: 1,460.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,362.69 : 3,540.95 = 974.44 : x
  2. Step 2: Convert to fraction form
    2,362.69/3,540.95 = 974.44/x
  3. Step 3: Cross multiply
    2,362.69x = 3,540.95 × 974.44
  4. Step 4: Simplify right side
    2,362.69x = 3,450,420.74
  5. Step 5: Solve for x
    x = 3,450,420.74/2,362.69
  6. Step 6: Final answer
    x = 1,460.38

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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.