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Finding the Fourth Proportional to 18,094.96, 27,124.47 and 8,590.61

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Solution

The fourth proportional to 18,094.96, 27,124.47 and 8,590.61 is: 12,877.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,094.96 : 27,124.47 = 8,590.61 : x
  2. Step 2: Convert to fraction form
    18,094.96/27,124.47 = 8,590.61/x
  3. Step 3: Cross multiply
    18,094.96x = 27,124.47 × 8,590.61
  4. Step 4: Simplify right side
    18,094.96x = 233,015,743.23
  5. Step 5: Solve for x
    x = 233,015,743.23/18,094.96
  6. Step 6: Final answer
    x = 12,877.38

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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.