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Finding the Fourth Proportional to 6,145.79, 8,469.95 and 4,464.27

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Solution

The fourth proportional to 6,145.79, 8,469.95 and 4,464.27 is: 6,152.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.79 : 8,469.95 = 4,464.27 : x
  2. Step 2: Convert to fraction form
    6,145.79/8,469.95 = 4,464.27/x
  3. Step 3: Cross multiply
    6,145.79x = 8,469.95 × 4,464.27
  4. Step 4: Simplify right side
    6,145.79x = 37,812,121.37
  5. Step 5: Solve for x
    x = 37,812,121.37/6,145.79
  6. Step 6: Final answer
    x = 6,152.53

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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.