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Finding the Fourth Proportional to 6,912.54, 9,529.26 and 4,784.82

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Solution

The fourth proportional to 6,912.54, 9,529.26 and 4,784.82 is: 6,596.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912.54 : 9,529.26 = 4,784.82 : x
  2. Step 2: Convert to fraction form
    6,912.54/9,529.26 = 4,784.82/x
  3. Step 3: Cross multiply
    6,912.54x = 9,529.26 × 4,784.82
  4. Step 4: Simplify right side
    6,912.54x = 45,595,793.83
  5. Step 5: Solve for x
    x = 45,595,793.83/6,912.54
  6. Step 6: Final answer
    x = 6,596.10

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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.