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Finding the Fourth Proportional to 58,662.36, 80,954.10 and 31,804.92

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Solution

The fourth proportional to 58,662.36, 80,954.10 and 31,804.92 is: 43,890.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,662.36 : 80,954.10 = 31,804.92 : x
  2. Step 2: Convert to fraction form
    58,662.36/80,954.10 = 31,804.92/x
  3. Step 3: Cross multiply
    58,662.36x = 80,954.10 × 31,804.92
  4. Step 4: Simplify right side
    58,662.36x = 2,574,738,674.17
  5. Step 5: Solve for x
    x = 2,574,738,674.17/58,662.36
  6. Step 6: Final answer
    x = 43,890.81

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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.