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Finding the Fourth Proportional to 53,804.79, 74,249.60 and 29,931.26

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Solution

The fourth proportional to 53,804.79, 74,249.60 and 29,931.26 is: 41,304.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,804.79 : 74,249.60 = 29,931.26 : x
  2. Step 2: Convert to fraction form
    53,804.79/74,249.60 = 29,931.26/x
  3. Step 3: Cross multiply
    53,804.79x = 74,249.60 × 29,931.26
  4. Step 4: Simplify right side
    53,804.79x = 2,222,383,561.59
  5. Step 5: Solve for x
    x = 2,222,383,561.59/53,804.79
  6. Step 6: Final answer
    x = 41,304.57

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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.