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Finding the Fourth Proportional to 16,641,072.80, 24,964,028.40 and 7,056,432.80

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Solution

The fourth proportional to 16,641,072.80, 24,964,028.40 and 7,056,432.80 is: 10,585,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,641,072.80 : 24,964,028.40 = 7,056,432.80 : x
  2. Step 2: Convert to fraction form
    16,641,072.80/24,964,028.40 = 7,056,432.80/x
  3. Step 3: Cross multiply
    16,641,072.80x = 24,964,028.40 × 7,056,432.80
  4. Step 4: Simplify right side
    16,641,072.80x = 176,156,988,821,891.50
  5. Step 5: Solve for x
    x = 176,156,988,821,891.50/16,641,072.80
  6. Step 6: Final answer
    x = 10,585,675.03

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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.