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Finding the Fourth Proportional to 35,762.34, 53,647.05 and 12,388.62

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Solution

The fourth proportional to 35,762.34, 53,647.05 and 12,388.62 is: 18,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,762.34 : 53,647.05 = 12,388.62 : x
  2. Step 2: Convert to fraction form
    35,762.34/53,647.05 = 12,388.62/x
  3. Step 3: Cross multiply
    35,762.34x = 53,647.05 × 12,388.62
  4. Step 4: Simplify right side
    35,762.34x = 664,612,916.57
  5. Step 5: Solve for x
    x = 664,612,916.57/35,762.34
  6. Step 6: Final answer
    x = 18,584.16

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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.