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Finding the Fourth Proportional to 62,009.11, 93,021.31 and 17,639.32

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Solution

The fourth proportional to 62,009.11, 93,021.31 and 17,639.32 is: 26,461.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,009.11 : 93,021.31 = 17,639.32 : x
  2. Step 2: Convert to fraction form
    62,009.11/93,021.31 = 17,639.32/x
  3. Step 3: Cross multiply
    62,009.11x = 93,021.31 × 17,639.32
  4. Step 4: Simplify right side
    62,009.11x = 1,640,832,617.82
  5. Step 5: Solve for x
    x = 1,640,832,617.82/62,009.11
  6. Step 6: Final answer
    x = 26,461.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.