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Finding the Fourth Proportional to 9,995.76, 14,992.74 and 3,755.52

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Solution

The fourth proportional to 9,995.76, 14,992.74 and 3,755.52 is: 5,632.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.76 : 14,992.74 = 3,755.52 : x
  2. Step 2: Convert to fraction form
    9,995.76/14,992.74 = 3,755.52/x
  3. Step 3: Cross multiply
    9,995.76x = 14,992.74 × 3,755.52
  4. Step 4: Simplify right side
    9,995.76x = 56,305,534.92
  5. Step 5: Solve for x
    x = 56,305,534.92/9,995.76
  6. Step 6: Final answer
    x = 5,632.94

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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.