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Finding the Fourth Proportional to 71,893.91, 99,201.94 and 41,673.34

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Solution

The fourth proportional to 71,893.91, 99,201.94 and 41,673.34 is: 57,502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,893.91 : 99,201.94 = 41,673.34 : x
  2. Step 2: Convert to fraction form
    71,893.91/99,201.94 = 41,673.34/x
  3. Step 3: Cross multiply
    71,893.91x = 99,201.94 × 41,673.34
  4. Step 4: Simplify right side
    71,893.91x = 4,134,075,822.09
  5. Step 5: Solve for x
    x = 4,134,075,822.09/71,893.91
  6. Step 6: Final answer
    x = 57,502.45

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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.