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Finding the Fourth Proportional to 34,762.78, 52,153.89 and 11,405.62

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Solution

The fourth proportional to 34,762.78, 52,153.89 and 11,405.62 is: 17,111.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,762.78 : 52,153.89 = 11,405.62 : x
  2. Step 2: Convert to fraction form
    34,762.78/52,153.89 = 11,405.62/x
  3. Step 3: Cross multiply
    34,762.78x = 52,153.89 × 11,405.62
  4. Step 4: Simplify right side
    34,762.78x = 594,847,450.86
  5. Step 5: Solve for x
    x = 594,847,450.86/34,762.78
  6. Step 6: Final answer
    x = 17,111.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.