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Finding the Fourth Proportional to 8,662,692.15, 11,954,001.65 and 4,794,982.65

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Solution

The fourth proportional to 8,662,692.15, 11,954,001.65 and 4,794,982.65 is: 6,616,791.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,662,692.15 : 11,954,001.65 = 4,794,982.65 : x
  2. Step 2: Convert to fraction form
    8,662,692.15/11,954,001.65 = 4,794,982.65/x
  3. Step 3: Cross multiply
    8,662,692.15x = 11,954,001.65 × 4,794,982.65
  4. Step 4: Simplify right side
    8,662,692.15x = 57,319,230,509,821.38
  5. Step 5: Solve for x
    x = 57,319,230,509,821.38/8,662,692.15
  6. Step 6: Final answer
    x = 6,616,791.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.