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Finding the Fourth Proportional to 14,263.52, 19,684.10 and 7,975.88

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Solution

The fourth proportional to 14,263.52, 19,684.10 and 7,975.88 is: 11,006.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.52 : 19,684.10 = 7,975.88 : x
  2. Step 2: Convert to fraction form
    14,263.52/19,684.10 = 7,975.88/x
  3. Step 3: Cross multiply
    14,263.52x = 19,684.10 × 7,975.88
  4. Step 4: Simplify right side
    14,263.52x = 156,998,019.51
  5. Step 5: Solve for x
    x = 156,998,019.51/14,263.52
  6. Step 6: Final answer
    x = 11,006.96

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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.