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Finding the Fourth Proportional to 18,333.36, 27,503.10 and 6,662.88

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Solution

The fourth proportional to 18,333.36, 27,503.10 and 6,662.88 is: 9,995.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,333.36 : 27,503.10 = 6,662.88 : x
  2. Step 2: Convert to fraction form
    18,333.36/27,503.10 = 6,662.88/x
  3. Step 3: Cross multiply
    18,333.36x = 27,503.10 × 6,662.88
  4. Step 4: Simplify right side
    18,333.36x = 183,249,854.93
  5. Step 5: Solve for x
    x = 183,249,854.93/18,333.36
  6. Step 6: Final answer
    x = 9,995.43

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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.