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Finding the Fourth Proportional to 2,952.63, 4,429.23 and 1,490.85

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Solution

The fourth proportional to 2,952.63, 4,429.23 and 1,490.85 is: 2,236.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.63 : 4,429.23 = 1,490.85 : x
  2. Step 2: Convert to fraction form
    2,952.63/4,429.23 = 1,490.85/x
  3. Step 3: Cross multiply
    2,952.63x = 4,429.23 × 1,490.85
  4. Step 4: Simplify right side
    2,952.63x = 6,603,317.55
  5. Step 5: Solve for x
    x = 6,603,317.55/2,952.63
  6. Step 6: Final answer
    x = 2,236.42

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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.