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Finding the Fourth Proportional to 18,037.86, 27,045.99 and 8,037.42

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Solution

The fourth proportional to 18,037.86, 27,045.99 and 8,037.42 is: 12,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,037.86 : 27,045.99 = 8,037.42 : x
  2. Step 2: Convert to fraction form
    18,037.86/27,045.99 = 8,037.42/x
  3. Step 3: Cross multiply
    18,037.86x = 27,045.99 × 8,037.42
  4. Step 4: Simplify right side
    18,037.86x = 217,379,980.95
  5. Step 5: Solve for x
    x = 217,379,980.95/18,037.86
  6. Step 6: Final answer
    x = 12,051.32

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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.