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Finding the Fourth Proportional to 37,305.75, 55,958.63 and 12,681.75

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Solution

The fourth proportional to 37,305.75, 55,958.63 and 12,681.75 is: 19,022.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,305.75 : 55,958.63 = 12,681.75 : x
  2. Step 2: Convert to fraction form
    37,305.75/55,958.63 = 12,681.75/x
  3. Step 3: Cross multiply
    37,305.75x = 55,958.63 × 12,681.75
  4. Step 4: Simplify right side
    37,305.75x = 709,653,292.59
  5. Step 5: Solve for x
    x = 709,653,292.59/37,305.75
  6. Step 6: Final answer
    x = 19,022.63

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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.