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Finding the Fourth Proportional to 6,506.69, 8,979.21 and 3,522.51

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Solution

The fourth proportional to 6,506.69, 8,979.21 and 3,522.51 is: 4,861.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.69 : 8,979.21 = 3,522.51 : x
  2. Step 2: Convert to fraction form
    6,506.69/8,979.21 = 3,522.51/x
  3. Step 3: Cross multiply
    6,506.69x = 8,979.21 × 3,522.51
  4. Step 4: Simplify right side
    6,506.69x = 31,629,384.75
  5. Step 5: Solve for x
    x = 31,629,384.75/6,506.69
  6. Step 6: Final answer
    x = 4,861.06

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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.