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Finding the Fourth Proportional to 8,555.59, 12,834.62 and 2,632.98

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Solution

The fourth proportional to 8,555.59, 12,834.62 and 2,632.98 is: 3,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.59 : 12,834.62 = 2,632.98 : x
  2. Step 2: Convert to fraction form
    8,555.59/12,834.62 = 2,632.98/x
  3. Step 3: Cross multiply
    8,555.59x = 12,834.62 × 2,632.98
  4. Step 4: Simplify right side
    8,555.59x = 33,793,306.51
  5. Step 5: Solve for x
    x = 33,793,306.51/8,555.59
  6. Step 6: Final answer
    x = 3,949.85

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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.