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Finding the Fourth Proportional to 8,866,787.49, 12,236,187.65 and 4,792,406.49

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Solution

The fourth proportional to 8,866,787.49, 12,236,187.65 and 4,792,406.49 is: 6,613,532.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866,787.49 : 12,236,187.65 = 4,792,406.49 : x
  2. Step 2: Convert to fraction form
    8,866,787.49/12,236,187.65 = 4,792,406.49/x
  3. Step 3: Cross multiply
    8,866,787.49x = 12,236,187.65 × 4,792,406.49
  4. Step 4: Simplify right side
    8,866,787.49x = 58,640,785,082,755.82
  5. Step 5: Solve for x
    x = 58,640,785,082,755.82/8,866,787.49
  6. Step 6: Final answer
    x = 6,613,532.26

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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.