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Finding the Fourth Proportional to 44,986.80, 67,447.80 and 25,271.40

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Solution

The fourth proportional to 44,986.80, 67,447.80 and 25,271.40 is: 37,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,986.80 : 67,447.80 = 25,271.40 : x
  2. Step 2: Convert to fraction form
    44,986.80/67,447.80 = 25,271.40/x
  3. Step 3: Cross multiply
    44,986.80x = 67,447.80 × 25,271.40
  4. Step 4: Simplify right side
    44,986.80x = 1,704,500,332.92
  5. Step 5: Solve for x
    x = 1,704,500,332.92/44,986.80
  6. Step 6: Final answer
    x = 37,888.90

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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.