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Finding the Fourth Proportional to 3,836.48, 5,741.48 and 2,430.32

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Solution

The fourth proportional to 3,836.48, 5,741.48 and 2,430.32 is: 3,637.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.48 : 5,741.48 = 2,430.32 : x
  2. Step 2: Convert to fraction form
    3,836.48/5,741.48 = 2,430.32/x
  3. Step 3: Cross multiply
    3,836.48x = 5,741.48 × 2,430.32
  4. Step 4: Simplify right side
    3,836.48x = 13,953,633.67
  5. Step 5: Solve for x
    x = 13,953,633.67/3,836.48
  6. Step 6: Final answer
    x = 3,637.09

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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.