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Finding the Fourth Proportional to 29,984.52, 41,383.62 and 28,655.88

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Solution

The fourth proportional to 29,984.52, 41,383.62 and 28,655.88 is: 39,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,984.52 : 41,383.62 = 28,655.88 : x
  2. Step 2: Convert to fraction form
    29,984.52/41,383.62 = 28,655.88/x
  3. Step 3: Cross multiply
    29,984.52x = 41,383.62 × 28,655.88
  4. Step 4: Simplify right side
    29,984.52x = 1,185,884,048.69
  5. Step 5: Solve for x
    x = 1,185,884,048.69/29,984.52
  6. Step 6: Final answer
    x = 39,549.88

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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.