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Finding the Fourth Proportional to 57,468, 79,305.06 and 32,317.56

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Solution

The fourth proportional to 57,468, 79,305.06 and 32,317.56 is: 44,597.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,468 : 79,305.06 = 32,317.56 : x
  2. Step 2: Convert to fraction form
    57,468/79,305.06 = 32,317.56/x
  3. Step 3: Cross multiply
    57,468x = 79,305.06 × 32,317.56
  4. Step 4: Simplify right side
    57,468x = 2,562,946,034.85
  5. Step 5: Solve for x
    x = 2,562,946,034.85/57,468
  6. Step 6: Final answer
    x = 44,597.79

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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.