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Finding the Fourth Proportional to 41,994.88, 63,000.09 and 12,007.85

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Solution

The fourth proportional to 41,994.88, 63,000.09 and 12,007.85 is: 18,013.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,994.88 : 63,000.09 = 12,007.85 : x
  2. Step 2: Convert to fraction form
    41,994.88/63,000.09 = 12,007.85/x
  3. Step 3: Cross multiply
    41,994.88x = 63,000.09 × 12,007.85
  4. Step 4: Simplify right side
    41,994.88x = 756,495,315.71
  5. Step 5: Solve for x
    x = 756,495,315.71/41,994.88
  6. Step 6: Final answer
    x = 18,013.99

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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.