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Finding the Fourth Proportional to 36,951.80, 55,435.90 and 10,654.50

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Solution

The fourth proportional to 36,951.80, 55,435.90 and 10,654.50 is: 15,984.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,951.80 : 55,435.90 = 10,654.50 : x
  2. Step 2: Convert to fraction form
    36,951.80/55,435.90 = 10,654.50/x
  3. Step 3: Cross multiply
    36,951.80x = 55,435.90 × 10,654.50
  4. Step 4: Simplify right side
    36,951.80x = 590,641,796.55
  5. Step 5: Solve for x
    x = 590,641,796.55/36,951.80
  6. Step 6: Final answer
    x = 15,984.11

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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.