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Finding the Fourth Proportional to 5,651.92, 8,429.84 and 5,553.52

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Solution

The fourth proportional to 5,651.92, 8,429.84 and 5,553.52 is: 8,283.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,651.92 : 8,429.84 = 5,553.52 : x
  2. Step 2: Convert to fraction form
    5,651.92/8,429.84 = 5,553.52/x
  3. Step 3: Cross multiply
    5,651.92x = 8,429.84 × 5,553.52
  4. Step 4: Simplify right side
    5,651.92x = 46,815,285.04
  5. Step 5: Solve for x
    x = 46,815,285.04/5,651.92
  6. Step 6: Final answer
    x = 8,283.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.