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Finding the Fourth Proportional to 18,892,003.40, 28,296,014.70 and 18,892,003.40

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Solution

The fourth proportional to 18,892,003.40, 28,296,014.70 and 18,892,003.40 is: 28,296,014.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892,003.40 : 28,296,014.70 = 18,892,003.40 : x
  2. Step 2: Convert to fraction form
    18,892,003.40/28,296,014.70 = 18,892,003.40/x
  3. Step 3: Cross multiply
    18,892,003.40x = 28,296,014.70 × 18,892,003.40
  4. Step 4: Simplify right side
    18,892,003.40x = 534,568,405,918,849.94
  5. Step 5: Solve for x
    x = 534,568,405,918,849.94/18,892,003.40
  6. Step 6: Final answer
    x = 28,296,014.70

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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.