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Finding the Fourth Proportional to 14,652.43, 21,963.06 and 4,789.06

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Solution

The fourth proportional to 14,652.43, 21,963.06 and 4,789.06 is: 7,178.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,652.43 : 21,963.06 = 4,789.06 : x
  2. Step 2: Convert to fraction form
    14,652.43/21,963.06 = 4,789.06/x
  3. Step 3: Cross multiply
    14,652.43x = 21,963.06 × 4,789.06
  4. Step 4: Simplify right side
    14,652.43x = 105,182,412.12
  5. Step 5: Solve for x
    x = 105,182,412.12/14,652.43
  6. Step 6: Final answer
    x = 7,178.50

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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.