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Finding the Fourth Proportional to 37,025.60, 55,489.80 and 14,820.80

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Solution

The fourth proportional to 37,025.60, 55,489.80 and 14,820.80 is: 22,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,025.60 : 55,489.80 = 14,820.80 : x
  2. Step 2: Convert to fraction form
    37,025.60/55,489.80 = 14,820.80/x
  3. Step 3: Cross multiply
    37,025.60x = 55,489.80 × 14,820.80
  4. Step 4: Simplify right side
    37,025.60x = 822,403,227.84
  5. Step 5: Solve for x
    x = 822,403,227.84/37,025.60
  6. Step 6: Final answer
    x = 22,211.75

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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.