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Finding the Fourth Proportional to 12,709.94, 17,537.22 and 7,044.44

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Solution

The fourth proportional to 12,709.94, 17,537.22 and 7,044.44 is: 9,719.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.94 : 17,537.22 = 7,044.44 : x
  2. Step 2: Convert to fraction form
    12,709.94/17,537.22 = 7,044.44/x
  3. Step 3: Cross multiply
    12,709.94x = 17,537.22 × 7,044.44
  4. Step 4: Simplify right side
    12,709.94x = 123,539,806.37
  5. Step 5: Solve for x
    x = 123,539,806.37/12,709.94
  6. Step 6: Final answer
    x = 9,719.94

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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.