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Finding the Fourth Proportional to 12,230.94, 18,304.71 and 8,483.99

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Solution

The fourth proportional to 12,230.94, 18,304.71 and 8,483.99 is: 12,697.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230.94 : 18,304.71 = 8,483.99 : x
  2. Step 2: Convert to fraction form
    12,230.94/18,304.71 = 8,483.99/x
  3. Step 3: Cross multiply
    12,230.94x = 18,304.71 × 8,483.99
  4. Step 4: Simplify right side
    12,230.94x = 155,296,885.07
  5. Step 5: Solve for x
    x = 155,296,885.07/12,230.94
  6. Step 6: Final answer
    x = 12,697.05

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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.