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Finding the Fourth Proportional to 6,969.94, 9,605.23 and 6,841.83

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Solution

The fourth proportional to 6,969.94, 9,605.23 and 6,841.83 is: 9,428.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,969.94 : 9,605.23 = 6,841.83 : x
  2. Step 2: Convert to fraction form
    6,969.94/9,605.23 = 6,841.83/x
  3. Step 3: Cross multiply
    6,969.94x = 9,605.23 × 6,841.83
  4. Step 4: Simplify right side
    6,969.94x = 65,717,350.77
  5. Step 5: Solve for x
    x = 65,717,350.77/6,969.94
  6. Step 6: Final answer
    x = 9,428.68

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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.