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Finding the Fourth Proportional to 55,063.80, 82,598.84 and 15,617.81

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Solution

The fourth proportional to 55,063.80, 82,598.84 and 15,617.81 is: 23,427.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,063.80 : 82,598.84 = 15,617.81 : x
  2. Step 2: Convert to fraction form
    55,063.80/82,598.84 = 15,617.81/x
  3. Step 3: Cross multiply
    55,063.80x = 82,598.84 × 15,617.81
  4. Step 4: Simplify right side
    55,063.80x = 1,290,013,176.32
  5. Step 5: Solve for x
    x = 1,290,013,176.32/55,063.80
  6. Step 6: Final answer
    x = 23,427.61

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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.