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Finding the Fourth Proportional to 6,837.62, 10,218.95 and 4,992.62

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Solution

The fourth proportional to 6,837.62, 10,218.95 and 4,992.62 is: 7,461.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,837.62 : 10,218.95 = 4,992.62 : x
  2. Step 2: Convert to fraction form
    6,837.62/10,218.95 = 4,992.62/x
  3. Step 3: Cross multiply
    6,837.62x = 10,218.95 × 4,992.62
  4. Step 4: Simplify right side
    6,837.62x = 51,019,334.15
  5. Step 5: Solve for x
    x = 51,019,334.15/6,837.62
  6. Step 6: Final answer
    x = 7,461.56

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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.