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Finding the Fourth Proportional to 35,661.22, 53,489.67 and 9,365.38

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Solution

The fourth proportional to 35,661.22, 53,489.67 and 9,365.38 is: 14,047.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.22 : 53,489.67 = 9,365.38 : x
  2. Step 2: Convert to fraction form
    35,661.22/53,489.67 = 9,365.38/x
  3. Step 3: Cross multiply
    35,661.22x = 53,489.67 × 9,365.38
  4. Step 4: Simplify right side
    35,661.22x = 500,951,085.62
  5. Step 5: Solve for x
    x = 500,951,085.62/35,661.22
  6. Step 6: Final answer
    x = 14,047.50

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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.