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Finding the Fourth Proportional to 6,394.08, 8,821.80 and 3,599.04

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Solution

The fourth proportional to 6,394.08, 8,821.80 and 3,599.04 is: 4,965.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,394.08 : 8,821.80 = 3,599.04 : x
  2. Step 2: Convert to fraction form
    6,394.08/8,821.80 = 3,599.04/x
  3. Step 3: Cross multiply
    6,394.08x = 8,821.80 × 3,599.04
  4. Step 4: Simplify right side
    6,394.08x = 31,750,011.07
  5. Step 5: Solve for x
    x = 31,750,011.07/6,394.08
  6. Step 6: Final answer
    x = 4,965.53

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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.