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Finding the Fourth Proportional to 18,094.46, 27,123.72 and 8,590.11

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Solution

The fourth proportional to 18,094.46, 27,123.72 and 8,590.11 is: 12,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.46 : 27,123.72 = 8,590.11 : x
  2. Step 2: Convert to fraction form
    18,094.46/27,123.72 = 8,590.11/x
  3. Step 3: Cross multiply
    18,094.46x = 27,123.72 × 8,590.11
  4. Step 4: Simplify right side
    18,094.46x = 232,995,738.41
  5. Step 5: Solve for x
    x = 232,995,738.41/18,094.46
  6. Step 6: Final answer
    x = 12,876.64

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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.