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Finding the Fourth Proportional to 7,489.56, 10,336.56 and 6,228.46

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Solution

The fourth proportional to 7,489.56, 10,336.56 and 6,228.46 is: 8,596.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.56 : 10,336.56 = 6,228.46 : x
  2. Step 2: Convert to fraction form
    7,489.56/10,336.56 = 6,228.46/x
  3. Step 3: Cross multiply
    7,489.56x = 10,336.56 × 6,228.46
  4. Step 4: Simplify right side
    7,489.56x = 64,380,798.81
  5. Step 5: Solve for x
    x = 64,380,798.81/7,489.56
  6. Step 6: Final answer
    x = 8,596.07

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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.