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Finding the Fourth Proportional to 8,950.58, 12,347.11 and 6,078.29

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Solution

The fourth proportional to 8,950.58, 12,347.11 and 6,078.29 is: 8,384.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,950.58 : 12,347.11 = 6,078.29 : x
  2. Step 2: Convert to fraction form
    8,950.58/12,347.11 = 6,078.29/x
  3. Step 3: Cross multiply
    8,950.58x = 12,347.11 × 6,078.29
  4. Step 4: Simplify right side
    8,950.58x = 75,049,330.91
  5. Step 5: Solve for x
    x = 75,049,330.91/8,950.58
  6. Step 6: Final answer
    x = 8,384.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.