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Finding the Fourth Proportional to 43,443.40, 65,067.90 and 37,611.40

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Solution

The fourth proportional to 43,443.40, 65,067.90 and 37,611.40 is: 56,332.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,443.40 : 65,067.90 = 37,611.40 : x
  2. Step 2: Convert to fraction form
    43,443.40/65,067.90 = 37,611.40/x
  3. Step 3: Cross multiply
    43,443.40x = 65,067.90 × 37,611.40
  4. Step 4: Simplify right side
    43,443.40x = 2,447,294,814.06
  5. Step 5: Solve for x
    x = 2,447,294,814.06/43,443.40
  6. Step 6: Final answer
    x = 56,332.95

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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.