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Finding the Fourth Proportional to 53,796.61, 74,242.07 and 29,923.75

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Solution

The fourth proportional to 53,796.61, 74,242.07 and 29,923.75 is: 41,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,796.61 : 74,242.07 = 29,923.75 : x
  2. Step 2: Convert to fraction form
    53,796.61/74,242.07 = 29,923.75/x
  3. Step 3: Cross multiply
    53,796.61x = 74,242.07 × 29,923.75
  4. Step 4: Simplify right side
    53,796.61x = 2,221,601,142.16
  5. Step 5: Solve for x
    x = 2,221,601,142.16/53,796.61
  6. Step 6: Final answer
    x = 41,296.30

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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.