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Finding the Fourth Proportional to 35,778.60, 49,372.53 and 19,862.03

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Solution

The fourth proportional to 35,778.60, 49,372.53 and 19,862.03 is: 27,408.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,778.60 : 49,372.53 = 19,862.03 : x
  2. Step 2: Convert to fraction form
    35,778.60/49,372.53 = 19,862.03/x
  3. Step 3: Cross multiply
    35,778.60x = 49,372.53 × 19,862.03
  4. Step 4: Simplify right side
    35,778.60x = 980,638,425.17
  5. Step 5: Solve for x
    x = 980,638,425.17/35,778.60
  6. Step 6: Final answer
    x = 27,408.52

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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.