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Finding the Fourth Proportional to 30,246.40, 45,369.60 and 9,469.92

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Solution

The fourth proportional to 30,246.40, 45,369.60 and 9,469.92 is: 14,204.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,246.40 : 45,369.60 = 9,469.92 : x
  2. Step 2: Convert to fraction form
    30,246.40/45,369.60 = 9,469.92/x
  3. Step 3: Cross multiply
    30,246.40x = 45,369.60 × 9,469.92
  4. Step 4: Simplify right side
    30,246.40x = 429,646,482.43
  5. Step 5: Solve for x
    x = 429,646,482.43/30,246.40
  6. Step 6: Final answer
    x = 14,204.88

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.