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Finding the Fourth Proportional to 37,187.80, 55,619.70 and 33,267.40

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Solution

The fourth proportional to 37,187.80, 55,619.70 and 33,267.40 is: 49,756.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,187.80 : 55,619.70 = 33,267.40 : x
  2. Step 2: Convert to fraction form
    37,187.80/55,619.70 = 33,267.40/x
  3. Step 3: Cross multiply
    37,187.80x = 55,619.70 × 33,267.40
  4. Step 4: Simplify right side
    37,187.80x = 1,850,322,807.78
  5. Step 5: Solve for x
    x = 1,850,322,807.78/37,187.80
  6. Step 6: Final answer
    x = 49,756.18

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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.