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Finding the Fourth Proportional to 14,754.12, 22,128.84 and 4,893

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Solution

The fourth proportional to 14,754.12, 22,128.84 and 4,893 is: 7,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,754.12 : 22,128.84 = 4,893 : x
  2. Step 2: Convert to fraction form
    14,754.12/22,128.84 = 4,893/x
  3. Step 3: Cross multiply
    14,754.12x = 22,128.84 × 4,893
  4. Step 4: Simplify right side
    14,754.12x = 108,276,414.12
  5. Step 5: Solve for x
    x = 108,276,414.12/14,754.12
  6. Step 6: Final answer
    x = 7,338.72

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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.