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Finding the Fourth Proportional to 64,189.80, 88,585.92 and 35,895.42

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Solution

The fourth proportional to 64,189.80, 88,585.92 and 35,895.42 is: 49,537.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.80 : 88,585.92 = 35,895.42 : x
  2. Step 2: Convert to fraction form
    64,189.80/88,585.92 = 35,895.42/x
  3. Step 3: Cross multiply
    64,189.80x = 88,585.92 × 35,895.42
  4. Step 4: Simplify right side
    64,189.80x = 3,179,828,804.49
  5. Step 5: Solve for x
    x = 3,179,828,804.49/64,189.80
  6. Step 6: Final answer
    x = 49,537.91

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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.