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Finding the Fourth Proportional to 62,453.75, 86,214.32 and 39,823.16

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Solution

The fourth proportional to 62,453.75, 86,214.32 and 39,823.16 is: 54,973.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,453.75 : 86,214.32 = 39,823.16 : x
  2. Step 2: Convert to fraction form
    62,453.75/86,214.32 = 39,823.16/x
  3. Step 3: Cross multiply
    62,453.75x = 86,214.32 × 39,823.16
  4. Step 4: Simplify right side
    62,453.75x = 3,433,326,887.76
  5. Step 5: Solve for x
    x = 3,433,326,887.76/62,453.75
  6. Step 6: Final answer
    x = 54,973.91

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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.