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Finding the Fourth Proportional to 35,958.48, 53,793.18 and 31,080.48

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Solution

The fourth proportional to 35,958.48, 53,793.18 and 31,080.48 is: 46,495.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,958.48 : 53,793.18 = 31,080.48 : x
  2. Step 2: Convert to fraction form
    35,958.48/53,793.18 = 31,080.48/x
  3. Step 3: Cross multiply
    35,958.48x = 53,793.18 × 31,080.48
  4. Step 4: Simplify right side
    35,958.48x = 1,671,917,855.13
  5. Step 5: Solve for x
    x = 1,671,917,855.13/35,958.48
  6. Step 6: Final answer
    x = 46,495.79

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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.