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Finding the Fourth Proportional to 11,768.32, 17,655.54 and 4,374.92

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Solution

The fourth proportional to 11,768.32, 17,655.54 and 4,374.92 is: 6,563.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,768.32 : 17,655.54 = 4,374.92 : x
  2. Step 2: Convert to fraction form
    11,768.32/17,655.54 = 4,374.92/x
  3. Step 3: Cross multiply
    11,768.32x = 17,655.54 × 4,374.92
  4. Step 4: Simplify right side
    11,768.32x = 77,241,575.06
  5. Step 5: Solve for x
    x = 77,241,575.06/11,768.32
  6. Step 6: Final answer
    x = 6,563.52

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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.