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Finding the Fourth Proportional to 37,307.60, 55,912.80 and 15,102.80

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Solution

The fourth proportional to 37,307.60, 55,912.80 and 15,102.80 is: 22,634.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,307.60 : 55,912.80 = 15,102.80 : x
  2. Step 2: Convert to fraction form
    37,307.60/55,912.80 = 15,102.80/x
  3. Step 3: Cross multiply
    37,307.60x = 55,912.80 × 15,102.80
  4. Step 4: Simplify right side
    37,307.60x = 844,439,835.84
  5. Step 5: Solve for x
    x = 844,439,835.84/37,307.60
  6. Step 6: Final answer
    x = 22,634.53

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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.