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Finding the Fourth Proportional to 14,244, 19,656.72 and 7,956.51

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Solution

The fourth proportional to 14,244, 19,656.72 and 7,956.51 is: 10,979.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,244 : 19,656.72 = 7,956.51 : x
  2. Step 2: Convert to fraction form
    14,244/19,656.72 = 7,956.51/x
  3. Step 3: Cross multiply
    14,244x = 19,656.72 × 7,956.51
  4. Step 4: Simplify right side
    14,244x = 156,398,889.25
  5. Step 5: Solve for x
    x = 156,398,889.25/14,244
  6. Step 6: Final answer
    x = 10,979.98

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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.