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Finding the Fourth Proportional to 6,340.85, 8,752.40 and 4,452.89

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Solution

The fourth proportional to 6,340.85, 8,752.40 and 4,452.89 is: 6,146.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,340.85 : 8,752.40 = 4,452.89 : x
  2. Step 2: Convert to fraction form
    6,340.85/8,752.40 = 4,452.89/x
  3. Step 3: Cross multiply
    6,340.85x = 8,752.40 × 4,452.89
  4. Step 4: Simplify right side
    6,340.85x = 38,973,485.57
  5. Step 5: Solve for x
    x = 38,973,485.57/6,340.85
  6. Step 6: Final answer
    x = 6,146.41

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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.