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Finding the Fourth Proportional to 16,431,563.90, 24,611,916.45 and 16,431,563.90

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Solution

The fourth proportional to 16,431,563.90, 24,611,916.45 and 16,431,563.90 is: 24,611,916.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,431,563.90 : 24,611,916.45 = 16,431,563.90 : x
  2. Step 2: Convert to fraction form
    16,431,563.90/24,611,916.45 = 16,431,563.90/x
  3. Step 3: Cross multiply
    16,431,563.90x = 24,611,916.45 × 16,431,563.90
  4. Step 4: Simplify right side
    16,431,563.90x = 404,412,277,849,636.12
  5. Step 5: Solve for x
    x = 404,412,277,849,636.12/16,431,563.90
  6. Step 6: Final answer
    x = 24,611,916.45

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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.