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Finding the Fourth Proportional to 8,359.37, 12,540.27 and 4,461.65

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Solution

The fourth proportional to 8,359.37, 12,540.27 and 4,461.65 is: 6,693.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.37 : 12,540.27 = 4,461.65 : x
  2. Step 2: Convert to fraction form
    8,359.37/12,540.27 = 4,461.65/x
  3. Step 3: Cross multiply
    8,359.37x = 12,540.27 × 4,461.65
  4. Step 4: Simplify right side
    8,359.37x = 55,950,343.73
  5. Step 5: Solve for x
    x = 55,950,343.73/8,359.37
  6. Step 6: Final answer
    x = 6,693.13

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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.