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Finding the Fourth Proportional to 6,788.89, 9,368.64 and 3,804.70

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Solution

The fourth proportional to 6,788.89, 9,368.64 and 3,804.70 is: 5,250.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,788.89 : 9,368.64 = 3,804.70 : x
  2. Step 2: Convert to fraction form
    6,788.89/9,368.64 = 3,804.70/x
  3. Step 3: Cross multiply
    6,788.89x = 9,368.64 × 3,804.70
  4. Step 4: Simplify right side
    6,788.89x = 35,644,821.70
  5. Step 5: Solve for x
    x = 35,644,821.70/6,788.89
  6. Step 6: Final answer
    x = 5,250.47

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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.