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Finding the Fourth Proportional to 11,444.99, 15,784.92 and 7,245.95

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Solution

The fourth proportional to 11,444.99, 15,784.92 and 7,245.95 is: 9,993.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.99 : 15,784.92 = 7,245.95 : x
  2. Step 2: Convert to fraction form
    11,444.99/15,784.92 = 7,245.95/x
  3. Step 3: Cross multiply
    11,444.99x = 15,784.92 × 7,245.95
  4. Step 4: Simplify right side
    11,444.99x = 114,376,662.15
  5. Step 5: Solve for x
    x = 114,376,662.15/11,444.99
  6. Step 6: Final answer
    x = 9,993.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.