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Finding the Fourth Proportional to 55,492.83, 83,260.23 and 33,321.68

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Solution

The fourth proportional to 55,492.83, 83,260.23 and 33,321.68 is: 49,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,492.83 : 83,260.23 = 33,321.68 : x
  2. Step 2: Convert to fraction form
    55,492.83/83,260.23 = 33,321.68/x
  3. Step 3: Cross multiply
    55,492.83x = 83,260.23 × 33,321.68
  4. Step 4: Simplify right side
    55,492.83x = 2,774,370,740.79
  5. Step 5: Solve for x
    x = 2,774,370,740.79/55,492.83
  6. Step 6: Final answer
    x = 49,995.12

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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.