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Finding the Fourth Proportional to 14,651.41, 20,218.99 and 7,937.01

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Solution

The fourth proportional to 14,651.41, 20,218.99 and 7,937.01 is: 10,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,651.41 : 20,218.99 = 7,937.01 : x
  2. Step 2: Convert to fraction form
    14,651.41/20,218.99 = 7,937.01/x
  3. Step 3: Cross multiply
    14,651.41x = 20,218.99 × 7,937.01
  4. Step 4: Simplify right side
    14,651.41x = 160,478,325.82
  5. Step 5: Solve for x
    x = 160,478,325.82/14,651.41
  6. Step 6: Final answer
    x = 10,953.10

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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.