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Finding the Fourth Proportional to 13,042.36, 17,998.36 and 7,074.04

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Solution

The fourth proportional to 13,042.36, 17,998.36 and 7,074.04 is: 9,762.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.36 : 17,998.36 = 7,074.04 : x
  2. Step 2: Convert to fraction form
    13,042.36/17,998.36 = 7,074.04/x
  3. Step 3: Cross multiply
    13,042.36x = 17,998.36 × 7,074.04
  4. Step 4: Simplify right side
    13,042.36x = 127,321,118.57
  5. Step 5: Solve for x
    x = 127,321,118.57/13,042.36
  6. Step 6: Final answer
    x = 9,762.12

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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.