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Finding the Fourth Proportional to 62,301, 85,945.44 and 40,781.26

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Solution

The fourth proportional to 62,301, 85,945.44 and 40,781.26 is: 56,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,301 : 85,945.44 = 40,781.26 : x
  2. Step 2: Convert to fraction form
    62,301/85,945.44 = 40,781.26/x
  3. Step 3: Cross multiply
    62,301x = 85,945.44 × 40,781.26
  4. Step 4: Simplify right side
    62,301x = 3,504,963,119.59
  5. Step 5: Solve for x
    x = 3,504,963,119.59/62,301
  6. Step 6: Final answer
    x = 56,258.54

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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.