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Finding the Fourth Proportional to 4,868.28, 7,303.74 and 4,086.42

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Solution

The fourth proportional to 4,868.28, 7,303.74 and 4,086.42 is: 6,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.28 : 7,303.74 = 4,086.42 : x
  2. Step 2: Convert to fraction form
    4,868.28/7,303.74 = 4,086.42/x
  3. Step 3: Cross multiply
    4,868.28x = 7,303.74 × 4,086.42
  4. Step 4: Simplify right side
    4,868.28x = 29,846,149.21
  5. Step 5: Solve for x
    x = 29,846,149.21/4,868.28
  6. Step 6: Final answer
    x = 6,130.74

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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.