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Finding the Fourth Proportional to 3,065.24, 4,597.92 and 756.76

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Solution

The fourth proportional to 3,065.24, 4,597.92 and 756.76 is: 1,135.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.24 : 4,597.92 = 756.76 : x
  2. Step 2: Convert to fraction form
    3,065.24/4,597.92 = 756.76/x
  3. Step 3: Cross multiply
    3,065.24x = 4,597.92 × 756.76
  4. Step 4: Simplify right side
    3,065.24x = 3,479,521.94
  5. Step 5: Solve for x
    x = 3,479,521.94/3,065.24
  6. Step 6: Final answer
    x = 1,135.15

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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.