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Finding the Fourth Proportional to 6,712.89, 10,021.03 and 6,226.28

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Solution

The fourth proportional to 6,712.89, 10,021.03 and 6,226.28 is: 9,294.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.89 : 10,021.03 = 6,226.28 : x
  2. Step 2: Convert to fraction form
    6,712.89/10,021.03 = 6,226.28/x
  3. Step 3: Cross multiply
    6,712.89x = 10,021.03 × 6,226.28
  4. Step 4: Simplify right side
    6,712.89x = 62,393,738.67
  5. Step 5: Solve for x
    x = 62,393,738.67/6,712.89
  6. Step 6: Final answer
    x = 9,294.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.