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Finding the Fourth Proportional to 6,285.65, 8,673.95 and 3,491.33

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Solution

The fourth proportional to 6,285.65, 8,673.95 and 3,491.33 is: 4,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.65 : 8,673.95 = 3,491.33 : x
  2. Step 2: Convert to fraction form
    6,285.65/8,673.95 = 3,491.33/x
  3. Step 3: Cross multiply
    6,285.65x = 8,673.95 × 3,491.33
  4. Step 4: Simplify right side
    6,285.65x = 30,283,587.21
  5. Step 5: Solve for x
    x = 30,283,587.21/6,285.65
  6. Step 6: Final answer
    x = 4,817.90

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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.