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Finding the Fourth Proportional to 8,632.44, 11,900.71 and 7,300.80

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Solution

The fourth proportional to 8,632.44, 11,900.71 and 7,300.80 is: 10,064.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,632.44 : 11,900.71 = 7,300.80 : x
  2. Step 2: Convert to fraction form
    8,632.44/11,900.71 = 7,300.80/x
  3. Step 3: Cross multiply
    8,632.44x = 11,900.71 × 7,300.80
  4. Step 4: Simplify right side
    8,632.44x = 86,884,703.57
  5. Step 5: Solve for x
    x = 86,884,703.57/8,632.44
  6. Step 6: Final answer
    x = 10,064.91

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