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Finding the Fourth Proportional to 57,273, 79,071.30 and 37,435.56

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Solution

The fourth proportional to 57,273, 79,071.30 and 37,435.56 is: 51,683.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,273 : 79,071.30 = 37,435.56 : x
  2. Step 2: Convert to fraction form
    57,273/79,071.30 = 37,435.56/x
  3. Step 3: Cross multiply
    57,273x = 79,071.30 × 37,435.56
  4. Step 4: Simplify right side
    57,273x = 2,960,078,395.43
  5. Step 5: Solve for x
    x = 2,960,078,395.43/57,273
  6. Step 6: Final answer
    x = 51,683.66

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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.