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Finding the Fourth Proportional to 10,752.52, 14,845.63 and 7,923.09

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Solution

The fourth proportional to 10,752.52, 14,845.63 and 7,923.09 is: 10,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752.52 : 14,845.63 = 7,923.09 : x
  2. Step 2: Convert to fraction form
    10,752.52/14,845.63 = 7,923.09/x
  3. Step 3: Cross multiply
    10,752.52x = 14,845.63 × 7,923.09
  4. Step 4: Simplify right side
    10,752.52x = 117,623,271.56
  5. Step 5: Solve for x
    x = 117,623,271.56/10,752.52
  6. Step 6: Final answer
    x = 10,939.13

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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.