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Finding the Fourth Proportional to 9,992.13, 14,980.43 and 6,474.70

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Solution

The fourth proportional to 9,992.13, 14,980.43 and 6,474.70 is: 9,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.13 : 14,980.43 = 6,474.70 : x
  2. Step 2: Convert to fraction form
    9,992.13/14,980.43 = 6,474.70/x
  3. Step 3: Cross multiply
    9,992.13x = 14,980.43 × 6,474.70
  4. Step 4: Simplify right side
    9,992.13x = 96,993,790.12
  5. Step 5: Solve for x
    x = 96,993,790.12/9,992.13
  6. Step 6: Final answer
    x = 9,707.02

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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.