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Finding the Fourth Proportional to 13,007.97, 17,950.97 and 7,039.62

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Solution

The fourth proportional to 13,007.97, 17,950.97 and 7,039.62 is: 9,714.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.97 : 17,950.97 = 7,039.62 : x
  2. Step 2: Convert to fraction form
    13,007.97/17,950.97 = 7,039.62/x
  3. Step 3: Cross multiply
    13,007.97x = 17,950.97 × 7,039.62
  4. Step 4: Simplify right side
    13,007.97x = 126,367,972.23
  5. Step 5: Solve for x
    x = 126,367,972.23/13,007.97
  6. Step 6: Final answer
    x = 9,714.66

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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.