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Finding the Fourth Proportional to 12,083.75, 16,675.73 and 9,053.49

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Solution

The fourth proportional to 12,083.75, 16,675.73 and 9,053.49 is: 12,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,083.75 : 16,675.73 = 9,053.49 : x
  2. Step 2: Convert to fraction form
    12,083.75/16,675.73 = 9,053.49/x
  3. Step 3: Cross multiply
    12,083.75x = 16,675.73 × 9,053.49
  4. Step 4: Simplify right side
    12,083.75x = 150,973,509.53
  5. Step 5: Solve for x
    x = 150,973,509.53/12,083.75
  6. Step 6: Final answer
    x = 12,493.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.