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Finding the Fourth Proportional to 40,651.56, 60,731.01 and 25,741.08

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Solution

The fourth proportional to 40,651.56, 60,731.01 and 25,741.08 is: 38,455.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,651.56 : 60,731.01 = 25,741.08 : x
  2. Step 2: Convert to fraction form
    40,651.56/60,731.01 = 25,741.08/x
  3. Step 3: Cross multiply
    40,651.56x = 60,731.01 × 25,741.08
  4. Step 4: Simplify right side
    40,651.56x = 1,563,281,786.89
  5. Step 5: Solve for x
    x = 1,563,281,786.89/40,651.56
  6. Step 6: Final answer
    x = 38,455.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.