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Finding the Fourth Proportional to 36,200.90, 54,285.15 and 14,006.90

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Solution

The fourth proportional to 36,200.90, 54,285.15 and 14,006.90 is: 21,004.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.90 : 54,285.15 = 14,006.90 : x
  2. Step 2: Convert to fraction form
    36,200.90/54,285.15 = 14,006.90/x
  3. Step 3: Cross multiply
    36,200.90x = 54,285.15 × 14,006.90
  4. Step 4: Simplify right side
    36,200.90x = 760,366,667.54
  5. Step 5: Solve for x
    x = 760,366,667.54/36,200.90
  6. Step 6: Final answer
    x = 21,004.08

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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.