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Finding the Fourth Proportional to 9,410.88, 14,107.14 and 4,479.21

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Solution

The fourth proportional to 9,410.88, 14,107.14 and 4,479.21 is: 6,714.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,410.88 : 14,107.14 = 4,479.21 : x
  2. Step 2: Convert to fraction form
    9,410.88/14,107.14 = 4,479.21/x
  3. Step 3: Cross multiply
    9,410.88x = 14,107.14 × 4,479.21
  4. Step 4: Simplify right side
    9,410.88x = 63,188,842.56
  5. Step 5: Solve for x
    x = 63,188,842.56/9,410.88
  6. Step 6: Final answer
    x = 6,714.45

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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.