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Finding the Fourth Proportional to 5,777.16, 8,620.41 and 5,424.54

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Solution

The fourth proportional to 5,777.16, 8,620.41 and 5,424.54 is: 8,094.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,777.16 : 8,620.41 = 5,424.54 : x
  2. Step 2: Convert to fraction form
    5,777.16/8,620.41 = 5,424.54/x
  3. Step 3: Cross multiply
    5,777.16x = 8,620.41 × 5,424.54
  4. Step 4: Simplify right side
    5,777.16x = 46,761,758.86
  5. Step 5: Solve for x
    x = 46,761,758.86/5,777.16
  6. Step 6: Final answer
    x = 8,094.25

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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.