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Finding the Fourth Proportional to 14,277.06, 21,405.06 and 5,508

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Solution

The fourth proportional to 14,277.06, 21,405.06 and 5,508 is: 8,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,277.06 : 21,405.06 = 5,508 : x
  2. Step 2: Convert to fraction form
    14,277.06/21,405.06 = 5,508/x
  3. Step 3: Cross multiply
    14,277.06x = 21,405.06 × 5,508
  4. Step 4: Simplify right side
    14,277.06x = 117,899,070.48
  5. Step 5: Solve for x
    x = 117,899,070.48/14,277.06
  6. Step 6: Final answer
    x = 8,257.94

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Why These Related Problems?

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