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Finding the Fourth Proportional to 18,103.31, 24,984.04 and 10,039.49

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Solution

The fourth proportional to 18,103.31, 24,984.04 and 10,039.49 is: 13,855.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,103.31 : 24,984.04 = 10,039.49 : x
  2. Step 2: Convert to fraction form
    18,103.31/24,984.04 = 10,039.49/x
  3. Step 3: Cross multiply
    18,103.31x = 24,984.04 × 10,039.49
  4. Step 4: Simplify right side
    18,103.31x = 250,826,908.90
  5. Step 5: Solve for x
    x = 250,826,908.90/18,103.31
  6. Step 6: Final answer
    x = 13,855.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.