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Finding the Fourth Proportional to 6,398.98, 8,834.67 and 4,904.14

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Solution

The fourth proportional to 6,398.98, 8,834.67 and 4,904.14 is: 6,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,398.98 : 8,834.67 = 4,904.14 : x
  2. Step 2: Convert to fraction form
    6,398.98/8,834.67 = 4,904.14/x
  3. Step 3: Cross multiply
    6,398.98x = 8,834.67 × 4,904.14
  4. Step 4: Simplify right side
    6,398.98x = 43,326,458.53
  5. Step 5: Solve for x
    x = 43,326,458.53/6,398.98
  6. Step 6: Final answer
    x = 6,770.84

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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.