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Finding the Fourth Proportional to 4,752.63, 7,123.01 and 2,286.79

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Solution

The fourth proportional to 4,752.63, 7,123.01 and 2,286.79 is: 3,427.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.63 : 7,123.01 = 2,286.79 : x
  2. Step 2: Convert to fraction form
    4,752.63/7,123.01 = 2,286.79/x
  3. Step 3: Cross multiply
    4,752.63x = 7,123.01 × 2,286.79
  4. Step 4: Simplify right side
    4,752.63x = 16,288,798.80
  5. Step 5: Solve for x
    x = 16,288,798.80/4,752.63
  6. Step 6: Final answer
    x = 3,427.32

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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.