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Finding the Fourth Proportional to 8,520.39, 12,759.93 and 6,043.41

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Solution

The fourth proportional to 8,520.39, 12,759.93 and 6,043.41 is: 9,050.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520.39 : 12,759.93 = 6,043.41 : x
  2. Step 2: Convert to fraction form
    8,520.39/12,759.93 = 6,043.41/x
  3. Step 3: Cross multiply
    8,520.39x = 12,759.93 × 6,043.41
  4. Step 4: Simplify right side
    8,520.39x = 77,113,488.56
  5. Step 5: Solve for x
    x = 77,113,488.56/8,520.39
  6. Step 6: Final answer
    x = 9,050.46

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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.