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Finding the Fourth Proportional to 27,599.91, 38,073.81 and 18,045.42

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Solution

The fourth proportional to 27,599.91, 38,073.81 and 18,045.42 is: 24,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.91 : 38,073.81 = 18,045.42 : x
  2. Step 2: Convert to fraction form
    27,599.91/38,073.81 = 18,045.42/x
  3. Step 3: Cross multiply
    27,599.91x = 38,073.81 × 18,045.42
  4. Step 4: Simplify right side
    27,599.91x = 687,057,892.45
  5. Step 5: Solve for x
    x = 687,057,892.45/27,599.91
  6. Step 6: Final answer
    x = 24,893.48

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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.