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Finding the Fourth Proportional to 45,381.83, 68,051.30 and 16,899.39

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Solution

The fourth proportional to 45,381.83, 68,051.30 and 16,899.39 is: 25,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,381.83 : 68,051.30 = 16,899.39 : x
  2. Step 2: Convert to fraction form
    45,381.83/68,051.30 = 16,899.39/x
  3. Step 3: Cross multiply
    45,381.83x = 68,051.30 × 16,899.39
  4. Step 4: Simplify right side
    45,381.83x = 1,150,025,374.21
  5. Step 5: Solve for x
    x = 1,150,025,374.21/45,381.83
  6. Step 6: Final answer
    x = 25,341.10

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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.