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Finding the Fourth Proportional to 6,506.58, 8,978.97 and 3,522.38

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Solution

The fourth proportional to 6,506.58, 8,978.97 and 3,522.38 is: 4,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.58 : 8,978.97 = 3,522.38 : x
  2. Step 2: Convert to fraction form
    6,506.58/8,978.97 = 3,522.38/x
  3. Step 3: Cross multiply
    6,506.58x = 8,978.97 × 3,522.38
  4. Step 4: Simplify right side
    6,506.58x = 31,627,357.99
  5. Step 5: Solve for x
    x = 31,627,357.99/6,506.58
  6. Step 6: Final answer
    x = 4,860.83

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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.