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Finding the Fourth Proportional to 16,925,021.70, 25,387,532.55 and 16,925,021.70

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Solution

The fourth proportional to 16,925,021.70, 25,387,532.55 and 16,925,021.70 is: 25,387,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,925,021.70 : 25,387,532.55 = 16,925,021.70 : x
  2. Step 2: Convert to fraction form
    16,925,021.70/25,387,532.55 = 16,925,021.70/x
  3. Step 3: Cross multiply
    16,925,021.70x = 25,387,532.55 × 16,925,021.70
  4. Step 4: Simplify right side
    16,925,021.70x = 429,684,539,318,206.31
  5. Step 5: Solve for x
    x = 429,684,539,318,206.31/16,925,021.70
  6. Step 6: Final answer
    x = 25,387,532.55

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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.