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Finding the Fourth Proportional to 39,483.88, 59,225.88 and 11,781.88

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Solution

The fourth proportional to 39,483.88, 59,225.88 and 11,781.88 is: 17,672.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,483.88 : 59,225.88 = 11,781.88 : x
  2. Step 2: Convert to fraction form
    39,483.88/59,225.88 = 11,781.88/x
  3. Step 3: Cross multiply
    39,483.88x = 59,225.88 × 11,781.88
  4. Step 4: Simplify right side
    39,483.88x = 697,792,211.05
  5. Step 5: Solve for x
    x = 697,792,211.05/39,483.88
  6. Step 6: Final answer
    x = 17,672.84

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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.