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Finding the Fourth Proportional to 2,237.49, 3,356.25 and 776.30

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Solution

The fourth proportional to 2,237.49, 3,356.25 and 776.30 is: 1,164.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.49 : 3,356.25 = 776.30 : x
  2. Step 2: Convert to fraction form
    2,237.49/3,356.25 = 776.30/x
  3. Step 3: Cross multiply
    2,237.49x = 3,356.25 × 776.30
  4. Step 4: Simplify right side
    2,237.49x = 2,605,456.88
  5. Step 5: Solve for x
    x = 2,605,456.88/2,237.49
  6. Step 6: Final answer
    x = 1,164.46

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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.