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Finding the Fourth Proportional to 2,715.44, 3,747.30 and 1,473.44

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Solution

The fourth proportional to 2,715.44, 3,747.30 and 1,473.44 is: 2,033.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715.44 : 3,747.30 = 1,473.44 : x
  2. Step 2: Convert to fraction form
    2,715.44/3,747.30 = 1,473.44/x
  3. Step 3: Cross multiply
    2,715.44x = 3,747.30 × 1,473.44
  4. Step 4: Simplify right side
    2,715.44x = 5,521,421.71
  5. Step 5: Solve for x
    x = 5,521,421.71/2,715.44
  6. Step 6: Final answer
    x = 2,033.34

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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.