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Finding the Fourth Proportional to 6,190.92, 9,281.16 and 4,211.00

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Solution

The fourth proportional to 6,190.92, 9,281.16 and 4,211.00 is: 6,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,190.92 : 9,281.16 = 4,211.00 : x
  2. Step 2: Convert to fraction form
    6,190.92/9,281.16 = 4,211.00/x
  3. Step 3: Cross multiply
    6,190.92x = 9,281.16 × 4,211.00
  4. Step 4: Simplify right side
    6,190.92x = 39,082,918.35
  5. Step 5: Solve for x
    x = 39,082,918.35/6,190.92
  6. Step 6: Final answer
    x = 6,312.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.