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Finding the Fourth Proportional to 6,281.87, 8,669.25 and 3,763.49

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Solution

The fourth proportional to 6,281.87, 8,669.25 and 3,763.49 is: 5,193.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,281.87 : 8,669.25 = 3,763.49 : x
  2. Step 2: Convert to fraction form
    6,281.87/8,669.25 = 3,763.49/x
  3. Step 3: Cross multiply
    6,281.87x = 8,669.25 × 3,763.49
  4. Step 4: Simplify right side
    6,281.87x = 32,626,592.34
  5. Step 5: Solve for x
    x = 32,626,592.34/6,281.87
  6. Step 6: Final answer
    x = 5,193.77

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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.