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Finding the Fourth Proportional to 7,659.68, 10,562.35 and 6,063.78

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Solution

The fourth proportional to 7,659.68, 10,562.35 and 6,063.78 is: 8,361.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.68 : 10,562.35 = 6,063.78 : x
  2. Step 2: Convert to fraction form
    7,659.68/10,562.35 = 6,063.78/x
  3. Step 3: Cross multiply
    7,659.68x = 10,562.35 × 6,063.78
  4. Step 4: Simplify right side
    7,659.68x = 64,047,736.36
  5. Step 5: Solve for x
    x = 64,047,736.36/7,659.68
  6. Step 6: Final answer
    x = 8,361.67

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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.