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Finding the Fourth Proportional to 6,338.07, 8,746.38 and 3,505.55

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Solution

The fourth proportional to 6,338.07, 8,746.38 and 3,505.55 is: 4,837.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,338.07 : 8,746.38 = 3,505.55 : x
  2. Step 2: Convert to fraction form
    6,338.07/8,746.38 = 3,505.55/x
  3. Step 3: Cross multiply
    6,338.07x = 8,746.38 × 3,505.55
  4. Step 4: Simplify right side
    6,338.07x = 30,660,828.68
  5. Step 5: Solve for x
    x = 30,660,828.68/6,338.07
  6. Step 6: Final answer
    x = 4,837.57

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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.