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Finding the Fourth Proportional to 17,135.70, 25,703.51 and 5,448.89

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Solution

The fourth proportional to 17,135.70, 25,703.51 and 5,448.89 is: 8,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,135.70 : 25,703.51 = 5,448.89 : x
  2. Step 2: Convert to fraction form
    17,135.70/25,703.51 = 5,448.89/x
  3. Step 3: Cross multiply
    17,135.70x = 25,703.51 × 5,448.89
  4. Step 4: Simplify right side
    17,135.70x = 140,055,442.84
  5. Step 5: Solve for x
    x = 140,055,442.84/17,135.70
  6. Step 6: Final answer
    x = 8,173.31

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1.5x scale

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.