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Finding the Fourth Proportional to 3,124.53, 4,653.63 and 3,109.44

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Solution

The fourth proportional to 3,124.53, 4,653.63 and 3,109.44 is: 4,631.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.53 : 4,653.63 = 3,109.44 : x
  2. Step 2: Convert to fraction form
    3,124.53/4,653.63 = 3,109.44/x
  3. Step 3: Cross multiply
    3,124.53x = 4,653.63 × 3,109.44
  4. Step 4: Simplify right side
    3,124.53x = 14,470,183.27
  5. Step 5: Solve for x
    x = 14,470,183.27/3,124.53
  6. Step 6: Final answer
    x = 4,631.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.