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Finding the Fourth Proportional to 30,173.38, 45,260.08 and 9,396.88

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Solution

The fourth proportional to 30,173.38, 45,260.08 and 9,396.88 is: 14,095.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.38 : 45,260.08 = 9,396.88 : x
  2. Step 2: Convert to fraction form
    30,173.38/45,260.08 = 9,396.88/x
  3. Step 3: Cross multiply
    30,173.38x = 45,260.08 × 9,396.88
  4. Step 4: Simplify right side
    30,173.38x = 425,303,540.55
  5. Step 5: Solve for x
    x = 425,303,540.55/30,173.38
  6. Step 6: Final answer
    x = 14,095.32

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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.