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Finding the Fourth Proportional to 15,131.69, 22,689.72 and 6,804.62

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Solution

The fourth proportional to 15,131.69, 22,689.72 and 6,804.62 is: 10,203.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,131.69 : 22,689.72 = 6,804.62 : x
  2. Step 2: Convert to fraction form
    15,131.69/22,689.72 = 6,804.62/x
  3. Step 3: Cross multiply
    15,131.69x = 22,689.72 × 6,804.62
  4. Step 4: Simplify right side
    15,131.69x = 154,394,809.06
  5. Step 5: Solve for x
    x = 154,394,809.06/15,131.69
  6. Step 6: Final answer
    x = 10,203.41

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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.