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Finding the Fourth Proportional to 45,649.84, 68,482.11 and 14,059.89

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Solution

The fourth proportional to 45,649.84, 68,482.11 and 14,059.89 is: 21,092.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,649.84 : 68,482.11 = 14,059.89 : x
  2. Step 2: Convert to fraction form
    45,649.84/68,482.11 = 14,059.89/x
  3. Step 3: Cross multiply
    45,649.84x = 68,482.11 × 14,059.89
  4. Step 4: Simplify right side
    45,649.84x = 962,850,773.91
  5. Step 5: Solve for x
    x = 962,850,773.91/45,649.84
  6. Step 6: Final answer
    x = 21,092.10

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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.