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Finding the Fourth Proportional to 55,068.80, 82,606.34 and 15,622.82

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Solution

The fourth proportional to 55,068.80, 82,606.34 and 15,622.82 is: 23,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,068.80 : 82,606.34 = 15,622.82 : x
  2. Step 2: Convert to fraction form
    55,068.80/82,606.34 = 15,622.82/x
  3. Step 3: Cross multiply
    55,068.80x = 82,606.34 × 15,622.82
  4. Step 4: Simplify right side
    55,068.80x = 1,290,543,980.68
  5. Step 5: Solve for x
    x = 1,290,543,980.68/55,068.80
  6. Step 6: Final answer
    x = 23,435.12

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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.