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Finding the Fourth Proportional to 35,187.78, 48,558.60 and 19,272.18

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Solution

The fourth proportional to 35,187.78, 48,558.60 and 19,272.18 is: 26,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,187.78 : 48,558.60 = 19,272.18 : x
  2. Step 2: Convert to fraction form
    35,187.78/48,558.60 = 19,272.18/x
  3. Step 3: Cross multiply
    35,187.78x = 48,558.60 × 19,272.18
  4. Step 4: Simplify right side
    35,187.78x = 935,830,079.75
  5. Step 5: Solve for x
    x = 935,830,079.75/35,187.78
  6. Step 6: Final answer
    x = 26,595.31

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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.