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Finding the Fourth Proportional to 56,954.30, 78,583.62 and 33,066.58

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Solution

The fourth proportional to 56,954.30, 78,583.62 and 33,066.58 is: 45,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,954.30 : 78,583.62 = 33,066.58 : x
  2. Step 2: Convert to fraction form
    56,954.30/78,583.62 = 33,066.58/x
  3. Step 3: Cross multiply
    56,954.30x = 78,583.62 × 33,066.58
  4. Step 4: Simplify right side
    56,954.30x = 2,598,491,557.42
  5. Step 5: Solve for x
    x = 2,598,491,557.42/56,954.30
  6. Step 6: Final answer
    x = 45,624.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.