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Finding the Fourth Proportional to 17,443.80, 26,176.50 and 7,055.64

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Solution

The fourth proportional to 17,443.80, 26,176.50 and 7,055.64 is: 10,587.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,443.80 : 26,176.50 = 7,055.64 : x
  2. Step 2: Convert to fraction form
    17,443.80/26,176.50 = 7,055.64/x
  3. Step 3: Cross multiply
    17,443.80x = 26,176.50 × 7,055.64
  4. Step 4: Simplify right side
    17,443.80x = 184,691,960.46
  5. Step 5: Solve for x
    x = 184,691,960.46/17,443.80
  6. Step 6: Final answer
    x = 10,587.83

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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.