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Finding the Fourth Proportional to 53,804.66, 74,241.87 and 29,931.26

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Solution

The fourth proportional to 53,804.66, 74,241.87 and 29,931.26 is: 41,300.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,804.66 : 74,241.87 = 29,931.26 : x
  2. Step 2: Convert to fraction form
    53,804.66/74,241.87 = 29,931.26/x
  3. Step 3: Cross multiply
    53,804.66x = 74,241.87 × 29,931.26
  4. Step 4: Simplify right side
    53,804.66x = 2,222,152,713.86
  5. Step 5: Solve for x
    x = 2,222,152,713.86/53,804.66
  6. Step 6: Final answer
    x = 41,300.38

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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.