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Finding the Fourth Proportional to 10,784.08, 14,891.40 and 7,956.37

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Solution

The fourth proportional to 10,784.08, 14,891.40 and 7,956.37 is: 10,986.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,784.08 : 14,891.40 = 7,956.37 : x
  2. Step 2: Convert to fraction form
    10,784.08/14,891.40 = 7,956.37/x
  3. Step 3: Cross multiply
    10,784.08x = 14,891.40 × 7,956.37
  4. Step 4: Simplify right side
    10,784.08x = 118,481,488.22
  5. Step 5: Solve for x
    x = 118,481,488.22/10,784.08
  6. Step 6: Final answer
    x = 10,986.70

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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.