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Finding the Fourth Proportional to 3,065.46, 4,598.15 and 756.96

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Solution

The fourth proportional to 3,065.46, 4,598.15 and 756.96 is: 1,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.46 : 4,598.15 = 756.96 : x
  2. Step 2: Convert to fraction form
    3,065.46/4,598.15 = 756.96/x
  3. Step 3: Cross multiply
    3,065.46x = 4,598.15 × 756.96
  4. Step 4: Simplify right side
    3,065.46x = 3,480,611.84
  5. Step 5: Solve for x
    x = 3,480,611.84/3,065.46
  6. Step 6: Final answer
    x = 1,135.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.