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Finding the Fourth Proportional to 22,045.96, 30,412.02 and 13,647.88

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Solution

The fourth proportional to 22,045.96, 30,412.02 and 13,647.88 is: 18,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,045.96 : 30,412.02 = 13,647.88 : x
  2. Step 2: Convert to fraction form
    22,045.96/30,412.02 = 13,647.88/x
  3. Step 3: Cross multiply
    22,045.96x = 30,412.02 × 13,647.88
  4. Step 4: Simplify right side
    22,045.96x = 415,059,599.52
  5. Step 5: Solve for x
    x = 415,059,599.52/22,045.96
  6. Step 6: Final answer
    x = 18,827.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.