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Finding the Fourth Proportional to 55,365.71, 82,971.36 and 41,845.79

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Solution

The fourth proportional to 55,365.71, 82,971.36 and 41,845.79 is: 62,710.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,365.71 : 82,971.36 = 41,845.79 : x
  2. Step 2: Convert to fraction form
    55,365.71/82,971.36 = 41,845.79/x
  3. Step 3: Cross multiply
    55,365.71x = 82,971.36 × 41,845.79
  4. Step 4: Simplify right side
    55,365.71x = 3,472,001,691.72
  5. Step 5: Solve for x
    x = 3,472,001,691.72/55,365.71
  6. Step 6: Final answer
    x = 62,710.33

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1.5x scale

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.