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Finding the Fourth Proportional to 46,771.20, 70,187.52 and 17,189.28

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Solution

The fourth proportional to 46,771.20, 70,187.52 and 17,189.28 is: 25,795.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,771.20 : 70,187.52 = 17,189.28 : x
  2. Step 2: Convert to fraction form
    46,771.20/70,187.52 = 17,189.28/x
  3. Step 3: Cross multiply
    46,771.20x = 70,187.52 × 17,189.28
  4. Step 4: Simplify right side
    46,771.20x = 1,206,472,933.79
  5. Step 5: Solve for x
    x = 1,206,472,933.79/46,771.20
  6. Step 6: Final answer
    x = 25,795.21

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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.