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Finding the Fourth Proportional to 37,220.50, 51,388.05 and 25,885.90

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Solution

The fourth proportional to 37,220.50, 51,388.05 and 25,885.90 is: 35,739.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,220.50 : 51,388.05 = 25,885.90 : x
  2. Step 2: Convert to fraction form
    37,220.50/51,388.05 = 25,885.90/x
  3. Step 3: Cross multiply
    37,220.50x = 51,388.05 × 25,885.90
  4. Step 4: Simplify right side
    37,220.50x = 1,330,225,923.50
  5. Step 5: Solve for x
    x = 1,330,225,923.50/37,220.50
  6. Step 6: Final answer
    x = 35,739.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.