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Finding the Fourth Proportional to 6,368.34, 8,788.84 and 3,536.60

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Solution

The fourth proportional to 6,368.34, 8,788.84 and 3,536.60 is: 4,880.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.34 : 8,788.84 = 3,536.60 : x
  2. Step 2: Convert to fraction form
    6,368.34/8,788.84 = 3,536.60/x
  3. Step 3: Cross multiply
    6,368.34x = 8,788.84 × 3,536.60
  4. Step 4: Simplify right side
    6,368.34x = 31,082,611.54
  5. Step 5: Solve for x
    x = 31,082,611.54/6,368.34
  6. Step 6: Final answer
    x = 4,880.80

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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.