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Finding the Fourth Proportional to 55,247.08, 82,860.54 and 17,808.04

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Solution

The fourth proportional to 55,247.08, 82,860.54 and 17,808.04 is: 26,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.08 : 82,860.54 = 17,808.04 : x
  2. Step 2: Convert to fraction form
    55,247.08/82,860.54 = 17,808.04/x
  3. Step 3: Cross multiply
    55,247.08x = 82,860.54 × 17,808.04
  4. Step 4: Simplify right side
    55,247.08x = 1,475,583,810.74
  5. Step 5: Solve for x
    x = 1,475,583,810.74/55,247.08
  6. Step 6: Final answer
    x = 26,708.81

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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.