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Finding the Fourth Proportional to 37,137.60, 55,706.40 and 32,990.40

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Solution

The fourth proportional to 37,137.60, 55,706.40 and 32,990.40 is: 49,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,137.60 : 55,706.40 = 32,990.40 : x
  2. Step 2: Convert to fraction form
    37,137.60/55,706.40 = 32,990.40/x
  3. Step 3: Cross multiply
    37,137.60x = 55,706.40 × 32,990.40
  4. Step 4: Simplify right side
    37,137.60x = 1,837,776,418.56
  5. Step 5: Solve for x
    x = 1,837,776,418.56/37,137.60
  6. Step 6: Final answer
    x = 49,485.60

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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.