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Finding the Fourth Proportional to 6,279.33, 9,420.53 and 1,896.53

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Solution

The fourth proportional to 6,279.33, 9,420.53 and 1,896.53 is: 2,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.33 : 9,420.53 = 1,896.53 : x
  2. Step 2: Convert to fraction form
    6,279.33/9,420.53 = 1,896.53/x
  3. Step 3: Cross multiply
    6,279.33x = 9,420.53 × 1,896.53
  4. Step 4: Simplify right side
    6,279.33x = 17,866,261.18
  5. Step 5: Solve for x
    x = 17,866,261.18/6,279.33
  6. Step 6: Final answer
    x = 2,845.25

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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.