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Finding the Fourth Proportional to 50,950.55, 76,423.77 and 25,990.05

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Solution

The fourth proportional to 50,950.55, 76,423.77 and 25,990.05 is: 38,984.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,950.55 : 76,423.77 = 25,990.05 : x
  2. Step 2: Convert to fraction form
    50,950.55/76,423.77 = 25,990.05/x
  3. Step 3: Cross multiply
    50,950.55x = 76,423.77 × 25,990.05
  4. Step 4: Simplify right side
    50,950.55x = 1,986,257,603.49
  5. Step 5: Solve for x
    x = 1,986,257,603.49/50,950.55
  6. Step 6: Final answer
    x = 38,984.03

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Double scale
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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.