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Finding the Fourth Proportional to 85,954.29, 128,957.83 and 41,032.97

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Solution

The fourth proportional to 85,954.29, 128,957.83 and 41,032.97 is: 61,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,954.29 : 128,957.83 = 41,032.97 : x
  2. Step 2: Convert to fraction form
    85,954.29/128,957.83 = 41,032.97/x
  3. Step 3: Cross multiply
    85,954.29x = 128,957.83 × 41,032.97
  4. Step 4: Simplify right side
    85,954.29x = 5,291,522,769.66
  5. Step 5: Solve for x
    x = 5,291,522,769.66/85,954.29
  6. Step 6: Final answer
    x = 61,562.06

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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.