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Finding the Fourth Proportional to 38,951.80, 58,453.58 and 14,327.80

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Solution

The fourth proportional to 38,951.80, 58,453.58 and 14,327.80 is: 21,501.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,951.80 : 58,453.58 = 14,327.80 : x
  2. Step 2: Convert to fraction form
    38,951.80/58,453.58 = 14,327.80/x
  3. Step 3: Cross multiply
    38,951.80x = 58,453.58 × 14,327.80
  4. Step 4: Simplify right side
    38,951.80x = 837,511,203.52
  5. Step 5: Solve for x
    x = 837,511,203.52/38,951.80
  6. Step 6: Final answer
    x = 21,501.22

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1.5x scale

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.