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Finding the Fourth Proportional to 69,804.79, 104,767.64 and 36,548.13

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Solution

The fourth proportional to 69,804.79, 104,767.64 and 36,548.13 is: 54,853.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,804.79 : 104,767.64 = 36,548.13 : x
  2. Step 2: Convert to fraction form
    69,804.79/104,767.64 = 36,548.13/x
  3. Step 3: Cross multiply
    69,804.79x = 104,767.64 × 36,548.13
  4. Step 4: Simplify right side
    69,804.79x = 3,829,061,326.51
  5. Step 5: Solve for x
    x = 3,829,061,326.51/69,804.79
  6. Step 6: Final answer
    x = 54,853.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.