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Finding the Fourth Proportional to 14,305.55, 21,453.05 and 4,943.17

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Solution

The fourth proportional to 14,305.55, 21,453.05 and 4,943.17 is: 7,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,305.55 : 21,453.05 = 4,943.17 : x
  2. Step 2: Convert to fraction form
    14,305.55/21,453.05 = 4,943.17/x
  3. Step 3: Cross multiply
    14,305.55x = 21,453.05 × 4,943.17
  4. Step 4: Simplify right side
    14,305.55x = 106,046,073.17
  5. Step 5: Solve for x
    x = 106,046,073.17/14,305.55
  6. Step 6: Final answer
    x = 7,412.93

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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.