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Finding the Fourth Proportional to 56,566.42, 84,885.42 and 31,622.87

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Solution

The fourth proportional to 56,566.42, 84,885.42 and 31,622.87 is: 47,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,566.42 : 84,885.42 = 31,622.87 : x
  2. Step 2: Convert to fraction form
    56,566.42/84,885.42 = 31,622.87/x
  3. Step 3: Cross multiply
    56,566.42x = 84,885.42 × 31,622.87
  4. Step 4: Simplify right side
    56,566.42x = 2,684,320,601.56
  5. Step 5: Solve for x
    x = 2,684,320,601.56/56,566.42
  6. Step 6: Final answer
    x = 47,454.31

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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.