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Finding the Fourth Proportional to 2,368.33, 3,549.91 and 906.85

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Solution

The fourth proportional to 2,368.33, 3,549.91 and 906.85 is: 1,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,368.33 : 3,549.91 = 906.85 : x
  2. Step 2: Convert to fraction form
    2,368.33/3,549.91 = 906.85/x
  3. Step 3: Cross multiply
    2,368.33x = 3,549.91 × 906.85
  4. Step 4: Simplify right side
    2,368.33x = 3,219,235.88
  5. Step 5: Solve for x
    x = 3,219,235.88/2,368.33
  6. Step 6: Final answer
    x = 1,359.29

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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.