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Finding the Fourth Proportional to 35,885.96, 49,522.62 and 20,779.40

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Solution

The fourth proportional to 35,885.96, 49,522.62 and 20,779.40 is: 28,675.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,885.96 : 49,522.62 = 20,779.40 : x
  2. Step 2: Convert to fraction form
    35,885.96/49,522.62 = 20,779.40/x
  3. Step 3: Cross multiply
    35,885.96x = 49,522.62 × 20,779.40
  4. Step 4: Simplify right side
    35,885.96x = 1,029,050,330.03
  5. Step 5: Solve for x
    x = 1,029,050,330.03/35,885.96
  6. Step 6: Final answer
    x = 28,675.57

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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.