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Finding the Fourth Proportional to 27,601.88, 38,090.61 and 16,423.88

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Solution

The fourth proportional to 27,601.88, 38,090.61 and 16,423.88 is: 22,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,601.88 : 38,090.61 = 16,423.88 : x
  2. Step 2: Convert to fraction form
    27,601.88/38,090.61 = 16,423.88/x
  3. Step 3: Cross multiply
    27,601.88x = 38,090.61 × 16,423.88
  4. Step 4: Simplify right side
    27,601.88x = 625,595,417.31
  5. Step 5: Solve for x
    x = 625,595,417.31/27,601.88
  6. Step 6: Final answer
    x = 22,664.96

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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.