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Finding the Fourth Proportional to 30,179.32, 45,268.98 and 9,404.44

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Solution

The fourth proportional to 30,179.32, 45,268.98 and 9,404.44 is: 14,106.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,179.32 : 45,268.98 = 9,404.44 : x
  2. Step 2: Convert to fraction form
    30,179.32/45,268.98 = 9,404.44/x
  3. Step 3: Cross multiply
    30,179.32x = 45,268.98 × 9,404.44
  4. Step 4: Simplify right side
    30,179.32x = 425,729,257.83
  5. Step 5: Solve for x
    x = 425,729,257.83/30,179.32
  6. Step 6: Final answer
    x = 14,106.66

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Similar ratio
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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.