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Finding the Fourth Proportional to 8,562.36, 12,834.74 and 5,444.66

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Solution

The fourth proportional to 8,562.36, 12,834.74 and 5,444.66 is: 8,161.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,562.36 : 12,834.74 = 5,444.66 : x
  2. Step 2: Convert to fraction form
    8,562.36/12,834.74 = 5,444.66/x
  3. Step 3: Cross multiply
    8,562.36x = 12,834.74 × 5,444.66
  4. Step 4: Simplify right side
    8,562.36x = 69,880,795.49
  5. Step 5: Solve for x
    x = 69,880,795.49/8,562.36
  6. Step 6: Final answer
    x = 8,161.39

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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.