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Finding the Fourth Proportional to 18,440,115.83, 27,660,173.74 and 18,440,115.83

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Solution

The fourth proportional to 18,440,115.83, 27,660,173.74 and 18,440,115.83 is: 27,660,173.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,440,115.83 : 27,660,173.74 = 18,440,115.83 : x
  2. Step 2: Convert to fraction form
    18,440,115.83/27,660,173.74 = 18,440,115.83/x
  3. Step 3: Cross multiply
    18,440,115.83x = 27,660,173.74 × 18,440,115.83
  4. Step 4: Simplify right side
    18,440,115.83x = 510,056,807,459,123.12
  5. Step 5: Solve for x
    x = 510,056,807,459,123.12/18,440,115.83
  6. Step 6: Final answer
    x = 27,660,173.74

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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.