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Finding the Fourth Proportional to 7,992.16, 11,990.06 and 2,445.93

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Solution

The fourth proportional to 7,992.16, 11,990.06 and 2,445.93 is: 3,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.16 : 11,990.06 = 2,445.93 : x
  2. Step 2: Convert to fraction form
    7,992.16/11,990.06 = 2,445.93/x
  3. Step 3: Cross multiply
    7,992.16x = 11,990.06 × 2,445.93
  4. Step 4: Simplify right side
    7,992.16x = 29,326,847.46
  5. Step 5: Solve for x
    x = 29,326,847.46/7,992.16
  6. Step 6: Final answer
    x = 3,669.45

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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.