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Finding the Fourth Proportional to 39,604.52, 59,420.04 and 12,951.74

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Solution

The fourth proportional to 39,604.52, 59,420.04 and 12,951.74 is: 19,431.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,604.52 : 59,420.04 = 12,951.74 : x
  2. Step 2: Convert to fraction form
    39,604.52/59,420.04 = 12,951.74/x
  3. Step 3: Cross multiply
    39,604.52x = 59,420.04 × 12,951.74
  4. Step 4: Simplify right side
    39,604.52x = 769,592,611.77
  5. Step 5: Solve for x
    x = 769,592,611.77/39,604.52
  6. Step 6: Final answer
    x = 19,431.94

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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.