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Finding the Fourth Proportional to 38,863.66, 58,295.50 and 15,506.50

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Solution

The fourth proportional to 38,863.66, 58,295.50 and 15,506.50 is: 23,259.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,863.66 : 58,295.50 = 15,506.50 : x
  2. Step 2: Convert to fraction form
    38,863.66/58,295.50 = 15,506.50/x
  3. Step 3: Cross multiply
    38,863.66x = 58,295.50 × 15,506.50
  4. Step 4: Simplify right side
    38,863.66x = 903,959,170.75
  5. Step 5: Solve for x
    x = 903,959,170.75/38,863.66
  6. Step 6: Final answer
    x = 23,259.75

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Why These Related Problems?

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