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Finding the Fourth Proportional to 16,810,561.80, 25,215,842.70 and 16,810,561.80

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Solution

The fourth proportional to 16,810,561.80, 25,215,842.70 and 16,810,561.80 is: 25,215,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,810,561.80 : 25,215,842.70 = 16,810,561.80 : x
  2. Step 2: Convert to fraction form
    16,810,561.80/25,215,842.70 = 16,810,561.80/x
  3. Step 3: Cross multiply
    16,810,561.80x = 25,215,842.70 × 16,810,561.80
  4. Step 4: Simplify right side
    16,810,561.80x = 423,892,482,047,428.88
  5. Step 5: Solve for x
    x = 423,892,482,047,428.88/16,810,561.80
  6. Step 6: Final answer
    x = 25,215,842.70

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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.