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Finding the Fourth Proportional to 5,651.70, 8,472.60 and 1,951.38

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Solution

The fourth proportional to 5,651.70, 8,472.60 and 1,951.38 is: 2,925.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.70 : 8,472.60 = 1,951.38 : x
  2. Step 2: Convert to fraction form
    5,651.70/8,472.60 = 1,951.38/x
  3. Step 3: Cross multiply
    5,651.70x = 8,472.60 × 1,951.38
  4. Step 4: Simplify right side
    5,651.70x = 16,533,262.19
  5. Step 5: Solve for x
    x = 16,533,262.19/5,651.70
  6. Step 6: Final answer
    x = 2,925.36

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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.