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Finding the Fourth Proportional to 14,113.49, 19,476.68 and 7,825.86

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Solution

The fourth proportional to 14,113.49, 19,476.68 and 7,825.86 is: 10,799.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.49 : 19,476.68 = 7,825.86 : x
  2. Step 2: Convert to fraction form
    14,113.49/19,476.68 = 7,825.86/x
  3. Step 3: Cross multiply
    14,113.49x = 19,476.68 × 7,825.86
  4. Step 4: Simplify right side
    14,113.49x = 152,421,731.82
  5. Step 5: Solve for x
    x = 152,421,731.82/14,113.49
  6. Step 6: Final answer
    x = 10,799.72

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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.