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Finding the Fourth Proportional to 8,393.38, 11,581.58 and 4,855.92

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Solution

The fourth proportional to 8,393.38, 11,581.58 and 4,855.92 is: 6,700.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,393.38 : 11,581.58 = 4,855.92 : x
  2. Step 2: Convert to fraction form
    8,393.38/11,581.58 = 4,855.92/x
  3. Step 3: Cross multiply
    8,393.38x = 11,581.58 × 4,855.92
  4. Step 4: Simplify right side
    8,393.38x = 56,239,225.95
  5. Step 5: Solve for x
    x = 56,239,225.95/8,393.38
  6. Step 6: Final answer
    x = 6,700.43

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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.