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Finding the Fourth Proportional to 14,298.17, 21,455.67 and 5,977.54

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Solution

The fourth proportional to 14,298.17, 21,455.67 and 5,977.54 is: 8,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,298.17 : 21,455.67 = 5,977.54 : x
  2. Step 2: Convert to fraction form
    14,298.17/21,455.67 = 5,977.54/x
  3. Step 3: Cross multiply
    14,298.17x = 21,455.67 × 5,977.54
  4. Step 4: Simplify right side
    14,298.17x = 128,252,125.65
  5. Step 5: Solve for x
    x = 128,252,125.65/14,298.17
  6. Step 6: Final answer
    x = 8,969.83

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.