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Finding the Fourth Proportional to 5,582.08, 8,324.40 and 4,891.96

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Solution

The fourth proportional to 5,582.08, 8,324.40 and 4,891.96 is: 7,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,582.08 : 8,324.40 = 4,891.96 : x
  2. Step 2: Convert to fraction form
    5,582.08/8,324.40 = 4,891.96/x
  3. Step 3: Cross multiply
    5,582.08x = 8,324.40 × 4,891.96
  4. Step 4: Simplify right side
    5,582.08x = 40,722,631.82
  5. Step 5: Solve for x
    x = 40,722,631.82/5,582.08
  6. Step 6: Final answer
    x = 7,295.24

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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.