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Finding the Fourth Proportional to 39,309.41, 58,973.33 and 13,014.15

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Solution

The fourth proportional to 39,309.41, 58,973.33 and 13,014.15 is: 19,524.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.41 : 58,973.33 = 13,014.15 : x
  2. Step 2: Convert to fraction form
    39,309.41/58,973.33 = 13,014.15/x
  3. Step 3: Cross multiply
    39,309.41x = 58,973.33 × 13,014.15
  4. Step 4: Simplify right side
    39,309.41x = 767,487,697.55
  5. Step 5: Solve for x
    x = 767,487,697.55/39,309.41
  6. Step 6: Final answer
    x = 19,524.28

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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.