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Finding the Fourth Proportional to 64,577.66, 89,117.09 and 35,896.43

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Solution

The fourth proportional to 64,577.66, 89,117.09 and 35,896.43 is: 49,537.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,577.66 : 89,117.09 = 35,896.43 : x
  2. Step 2: Convert to fraction form
    64,577.66/89,117.09 = 35,896.43/x
  3. Step 3: Cross multiply
    64,577.66x = 89,117.09 × 35,896.43
  4. Step 4: Simplify right side
    64,577.66x = 3,198,985,203.51
  5. Step 5: Solve for x
    x = 3,198,985,203.51/64,577.66
  6. Step 6: Final answer
    x = 49,537.03

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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.