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Finding the Fourth Proportional to 31,180.58, 43,027.58 and 17,030.69

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Solution

The fourth proportional to 31,180.58, 43,027.58 and 17,030.69 is: 23,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,180.58 : 43,027.58 = 17,030.69 : x
  2. Step 2: Convert to fraction form
    31,180.58/43,027.58 = 17,030.69/x
  3. Step 3: Cross multiply
    31,180.58x = 43,027.58 × 17,030.69
  4. Step 4: Simplify right side
    31,180.58x = 732,789,376.43
  5. Step 5: Solve for x
    x = 732,789,376.43/31,180.58
  6. Step 6: Final answer
    x = 23,501.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.