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Finding the Fourth Proportional to 58,485.57, 80,615.30 and 45,716.19

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Solution

The fourth proportional to 58,485.57, 80,615.30 and 45,716.19 is: 63,014.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,485.57 : 80,615.30 = 45,716.19 : x
  2. Step 2: Convert to fraction form
    58,485.57/80,615.30 = 45,716.19/x
  3. Step 3: Cross multiply
    58,485.57x = 80,615.30 × 45,716.19
  4. Step 4: Simplify right side
    58,485.57x = 3,685,424,143.13
  5. Step 5: Solve for x
    x = 3,685,424,143.13/58,485.57
  6. Step 6: Final answer
    x = 63,014.25

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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.