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Finding the Fourth Proportional to 38,706.63, 58,069.70 and 11,004.63

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Solution

The fourth proportional to 38,706.63, 58,069.70 and 11,004.63 is: 16,509.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,706.63 : 58,069.70 = 11,004.63 : x
  2. Step 2: Convert to fraction form
    38,706.63/58,069.70 = 11,004.63/x
  3. Step 3: Cross multiply
    38,706.63x = 58,069.70 × 11,004.63
  4. Step 4: Simplify right side
    38,706.63x = 639,035,217.34
  5. Step 5: Solve for x
    x = 639,035,217.34/38,706.63
  6. Step 6: Final answer
    x = 16,509.71

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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.