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Finding the Fourth Proportional to 50,604.88, 75,915.48 and 19,017.40

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Solution

The fourth proportional to 50,604.88, 75,915.48 and 19,017.40 is: 28,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,604.88 : 75,915.48 = 19,017.40 : x
  2. Step 2: Convert to fraction form
    50,604.88/75,915.48 = 19,017.40/x
  3. Step 3: Cross multiply
    50,604.88x = 75,915.48 × 19,017.40
  4. Step 4: Simplify right side
    50,604.88x = 1,443,715,049.35
  5. Step 5: Solve for x
    x = 1,443,715,049.35/50,604.88
  6. Step 6: Final answer
    x = 28,529.17

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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.