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Finding the Fourth Proportional to 6,448,067.53, 8,898,961.19 and 4,813,636.77

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Solution

The fourth proportional to 6,448,067.53, 8,898,961.19 and 4,813,636.77 is: 6,643,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448,067.53 : 8,898,961.19 = 4,813,636.77 : x
  2. Step 2: Convert to fraction form
    6,448,067.53/8,898,961.19 = 4,813,636.77/x
  3. Step 3: Cross multiply
    6,448,067.53x = 8,898,961.19 × 4,813,636.77
  4. Step 4: Simplify right side
    6,448,067.53x = 42,836,366,774,918.77
  5. Step 5: Solve for x
    x = 42,836,366,774,918.77/6,448,067.53
  6. Step 6: Final answer
    x = 6,643,287.56

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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.