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Finding the Fourth Proportional to 56,674.40, 84,938.70 and 34,464.20

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Solution

The fourth proportional to 56,674.40, 84,938.70 and 34,464.20 is: 51,651.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,674.40 : 84,938.70 = 34,464.20 : x
  2. Step 2: Convert to fraction form
    56,674.40/84,938.70 = 34,464.20/x
  3. Step 3: Cross multiply
    56,674.40x = 84,938.70 × 34,464.20
  4. Step 4: Simplify right side
    56,674.40x = 2,927,344,344.54
  5. Step 5: Solve for x
    x = 2,927,344,344.54/56,674.40
  6. Step 6: Final answer
    x = 51,651.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.