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Finding the Fourth Proportional to 6,992.64, 10,501.92 and 5,541.12

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Solution

The fourth proportional to 6,992.64, 10,501.92 and 5,541.12 is: 8,321.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.64 : 10,501.92 = 5,541.12 : x
  2. Step 2: Convert to fraction form
    6,992.64/10,501.92 = 5,541.12/x
  3. Step 3: Cross multiply
    6,992.64x = 10,501.92 × 5,541.12
  4. Step 4: Simplify right side
    6,992.64x = 58,192,398.95
  5. Step 5: Solve for x
    x = 58,192,398.95/6,992.64
  6. Step 6: Final answer
    x = 8,321.95

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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.