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Finding the Fourth Proportional to 6,511.59, 8,984.25 and 3,858.03

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Solution

The fourth proportional to 6,511.59, 8,984.25 and 3,858.03 is: 5,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.59 : 8,984.25 = 3,858.03 : x
  2. Step 2: Convert to fraction form
    6,511.59/8,984.25 = 3,858.03/x
  3. Step 3: Cross multiply
    6,511.59x = 8,984.25 × 3,858.03
  4. Step 4: Simplify right side
    6,511.59x = 34,661,506.03
  5. Step 5: Solve for x
    x = 34,661,506.03/6,511.59
  6. Step 6: Final answer
    x = 5,323.05

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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.