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Finding the Fourth Proportional to 8,879,651.76, 12,253,919.04 and 4,805,270.76

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Solution

The fourth proportional to 8,879,651.76, 12,253,919.04 and 4,805,270.76 is: 6,631,273.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879,651.76 : 12,253,919.04 = 4,805,270.76 : x
  2. Step 2: Convert to fraction form
    8,879,651.76/12,253,919.04 = 4,805,270.76/x
  3. Step 3: Cross multiply
    8,879,651.76x = 12,253,919.04 × 4,805,270.76
  4. Step 4: Simplify right side
    8,879,651.76x = 58,883,398,858,319.27
  5. Step 5: Solve for x
    x = 58,883,398,858,319.27/8,879,651.76
  6. Step 6: Final answer
    x = 6,631,273.44

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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.