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Finding the Fourth Proportional to 37,191.60, 55,738.80 and 14,986.80

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Solution

The fourth proportional to 37,191.60, 55,738.80 and 14,986.80 is: 22,460.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,191.60 : 55,738.80 = 14,986.80 : x
  2. Step 2: Convert to fraction form
    37,191.60/55,738.80 = 14,986.80/x
  3. Step 3: Cross multiply
    37,191.60x = 55,738.80 × 14,986.80
  4. Step 4: Simplify right side
    37,191.60x = 835,346,247.84
  5. Step 5: Solve for x
    x = 835,346,247.84/37,191.60
  6. Step 6: Final answer
    x = 22,460.62

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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.