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Finding the Fourth Proportional to 18,444.62, 27,666.88 and 4,593.62

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Solution

The fourth proportional to 18,444.62, 27,666.88 and 4,593.62 is: 6,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444.62 : 27,666.88 = 4,593.62 : x
  2. Step 2: Convert to fraction form
    18,444.62/27,666.88 = 4,593.62/x
  3. Step 3: Cross multiply
    18,444.62x = 27,666.88 × 4,593.62
  4. Step 4: Simplify right side
    18,444.62x = 127,091,133.31
  5. Step 5: Solve for x
    x = 127,091,133.31/18,444.62
  6. Step 6: Final answer
    x = 6,890.42

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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.