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Finding the Fourth Proportional to 8,555.92, 12,834.24 and 2,937.46

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Solution

The fourth proportional to 8,555.92, 12,834.24 and 2,937.46 is: 4,406.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,555.92 : 12,834.24 = 2,937.46 : x
  2. Step 2: Convert to fraction form
    8,555.92/12,834.24 = 2,937.46/x
  3. Step 3: Cross multiply
    8,555.92x = 12,834.24 × 2,937.46
  4. Step 4: Simplify right side
    8,555.92x = 37,700,066.63
  5. Step 5: Solve for x
    x = 37,700,066.63/8,555.92
  6. Step 6: Final answer
    x = 4,406.31

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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.