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Finding the Fourth Proportional to 3,049.53, 4,574.63 and 969.72

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Solution

The fourth proportional to 3,049.53, 4,574.63 and 969.72 is: 1,454.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,049.53 : 4,574.63 = 969.72 : x
  2. Step 2: Convert to fraction form
    3,049.53/4,574.63 = 969.72/x
  3. Step 3: Cross multiply
    3,049.53x = 4,574.63 × 969.72
  4. Step 4: Simplify right side
    3,049.53x = 4,436,112.63
  5. Step 5: Solve for x
    x = 4,436,112.63/3,049.53
  6. Step 6: Final answer
    x = 1,454.69

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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.