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Finding the Fourth Proportional to 14,274.83, 19,699.07 and 7,900.81

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Solution

The fourth proportional to 14,274.83, 19,699.07 and 7,900.81 is: 10,903.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.83 : 19,699.07 = 7,900.81 : x
  2. Step 2: Convert to fraction form
    14,274.83/19,699.07 = 7,900.81/x
  3. Step 3: Cross multiply
    14,274.83x = 19,699.07 × 7,900.81
  4. Step 4: Simplify right side
    14,274.83x = 155,638,520.49
  5. Step 5: Solve for x
    x = 155,638,520.49/14,274.83
  6. Step 6: Final answer
    x = 10,903.00

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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.