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Finding the Fourth Proportional to 32,956, 45,485.60 and 25,771.68

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Solution

The fourth proportional to 32,956, 45,485.60 and 25,771.68 is: 35,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,956 : 45,485.60 = 25,771.68 : x
  2. Step 2: Convert to fraction form
    32,956/45,485.60 = 25,771.68/x
  3. Step 3: Cross multiply
    32,956x = 45,485.60 × 25,771.68
  4. Step 4: Simplify right side
    32,956x = 1,172,240,327.81
  5. Step 5: Solve for x
    x = 1,172,240,327.81/32,956
  6. Step 6: Final answer
    x = 35,569.86

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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.