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Finding the Fourth Proportional to 8,935.55, 12,328.25 and 5,951.87

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Solution

The fourth proportional to 8,935.55, 12,328.25 and 5,951.87 is: 8,211.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.55 : 12,328.25 = 5,951.87 : x
  2. Step 2: Convert to fraction form
    8,935.55/12,328.25 = 5,951.87/x
  3. Step 3: Cross multiply
    8,935.55x = 12,328.25 × 5,951.87
  4. Step 4: Simplify right side
    8,935.55x = 73,376,049.93
  5. Step 5: Solve for x
    x = 73,376,049.93/8,935.55
  6. Step 6: Final answer
    x = 8,211.70

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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.