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Finding the Fourth Proportional to 12,957.26, 19,435.62 and 3,723.26

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Solution

The fourth proportional to 12,957.26, 19,435.62 and 3,723.26 is: 5,584.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,957.26 : 19,435.62 = 3,723.26 : x
  2. Step 2: Convert to fraction form
    12,957.26/19,435.62 = 3,723.26/x
  3. Step 3: Cross multiply
    12,957.26x = 19,435.62 × 3,723.26
  4. Step 4: Simplify right side
    12,957.26x = 72,363,866.52
  5. Step 5: Solve for x
    x = 72,363,866.52/12,957.26
  6. Step 6: Final answer
    x = 5,584.81

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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.