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Finding the Fourth Proportional to 12,770.56, 19,130.24 and 5,835.52

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Solution

The fourth proportional to 12,770.56, 19,130.24 and 5,835.52 is: 8,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,770.56 : 19,130.24 = 5,835.52 : x
  2. Step 2: Convert to fraction form
    12,770.56/19,130.24 = 5,835.52/x
  3. Step 3: Cross multiply
    12,770.56x = 19,130.24 × 5,835.52
  4. Step 4: Simplify right side
    12,770.56x = 111,634,898.12
  5. Step 5: Solve for x
    x = 111,634,898.12/12,770.56
  6. Step 6: Final answer
    x = 8,741.58

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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.