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Finding the Fourth Proportional to 16,893,132.80, 25,339,699.20 and 16,893,132.80

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Solution

The fourth proportional to 16,893,132.80, 25,339,699.20 and 16,893,132.80 is: 25,339,699.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,893,132.80 : 25,339,699.20 = 16,893,132.80 : x
  2. Step 2: Convert to fraction form
    16,893,132.80/25,339,699.20 = 16,893,132.80/x
  3. Step 3: Cross multiply
    16,893,132.80x = 25,339,699.20 × 16,893,132.80
  4. Step 4: Simplify right side
    16,893,132.80x = 428,066,903,697,653.75
  5. Step 5: Solve for x
    x = 428,066,903,697,653.75/16,893,132.80
  6. Step 6: Final answer
    x = 25,339,699.20

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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.