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Finding the Fourth Proportional to 14,346.99, 19,797.66 and 7,972.47

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Solution

The fourth proportional to 14,346.99, 19,797.66 and 7,972.47 is: 11,001.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,346.99 : 19,797.66 = 7,972.47 : x
  2. Step 2: Convert to fraction form
    14,346.99/19,797.66 = 7,972.47/x
  3. Step 3: Cross multiply
    14,346.99x = 19,797.66 × 7,972.47
  4. Step 4: Simplify right side
    14,346.99x = 157,836,250.42
  5. Step 5: Solve for x
    x = 157,836,250.42/14,346.99
  6. Step 6: Final answer
    x = 11,001.35

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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.