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Finding the Fourth Proportional to 50,603.88, 75,787.73 and 40,002.74

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Solution

The fourth proportional to 50,603.88, 75,787.73 and 40,002.74 is: 59,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,603.88 : 75,787.73 = 40,002.74 : x
  2. Step 2: Convert to fraction form
    50,603.88/75,787.73 = 40,002.74/x
  3. Step 3: Cross multiply
    50,603.88x = 75,787.73 × 40,002.74
  4. Step 4: Simplify right side
    50,603.88x = 3,031,716,858.38
  5. Step 5: Solve for x
    x = 3,031,716,858.38/50,603.88
  6. Step 6: Final answer
    x = 59,910.76

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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.