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Finding the Fourth Proportional to 37,060.21, 55,590.43 and 8,980.21

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Solution

The fourth proportional to 37,060.21, 55,590.43 and 8,980.21 is: 13,470.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,060.21 : 55,590.43 = 8,980.21 : x
  2. Step 2: Convert to fraction form
    37,060.21/55,590.43 = 8,980.21/x
  3. Step 3: Cross multiply
    37,060.21x = 55,590.43 × 8,980.21
  4. Step 4: Simplify right side
    37,060.21x = 499,213,735.39
  5. Step 5: Solve for x
    x = 499,213,735.39/37,060.21
  6. Step 6: Final answer
    x = 13,470.34

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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.