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Finding the Fourth Proportional to 69,996.77, 96,603.74 and 39,786.63

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Solution

The fourth proportional to 69,996.77, 96,603.74 and 39,786.63 is: 54,910.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,996.77 : 96,603.74 = 39,786.63 : x
  2. Step 2: Convert to fraction form
    69,996.77/96,603.74 = 39,786.63/x
  3. Step 3: Cross multiply
    69,996.77x = 96,603.74 × 39,786.63
  4. Step 4: Simplify right side
    69,996.77x = 3,843,537,260.00
  5. Step 5: Solve for x
    x = 3,843,537,260.00/69,996.77
  6. Step 6: Final answer
    x = 54,910.21

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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.