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Finding the Fourth Proportional to 14,499.84, 19,990.74 and 10,463.28

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Solution

The fourth proportional to 14,499.84, 19,990.74 and 10,463.28 is: 14,425.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,499.84 : 19,990.74 = 10,463.28 : x
  2. Step 2: Convert to fraction form
    14,499.84/19,990.74 = 10,463.28/x
  3. Step 3: Cross multiply
    14,499.84x = 19,990.74 × 10,463.28
  4. Step 4: Simplify right side
    14,499.84x = 209,168,710.03
  5. Step 5: Solve for x
    x = 209,168,710.03/14,499.84
  6. Step 6: Final answer
    x = 14,425.59

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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.