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Finding the Fourth Proportional to 2,476.29, 3,714.44 and 936.21

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Solution

The fourth proportional to 2,476.29, 3,714.44 and 936.21 is: 1,404.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.29 : 3,714.44 = 936.21 : x
  2. Step 2: Convert to fraction form
    2,476.29/3,714.44 = 936.21/x
  3. Step 3: Cross multiply
    2,476.29x = 3,714.44 × 936.21
  4. Step 4: Simplify right side
    2,476.29x = 3,477,491.19
  5. Step 5: Solve for x
    x = 3,477,491.19/2,476.29
  6. Step 6: Final answer
    x = 1,404.32

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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.