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Finding the Fourth Proportional to 17,574.96, 26,367.84 and 7,187.52

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Solution

The fourth proportional to 17,574.96, 26,367.84 and 7,187.52 is: 10,783.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,574.96 : 26,367.84 = 7,187.52 : x
  2. Step 2: Convert to fraction form
    17,574.96/26,367.84 = 7,187.52/x
  3. Step 3: Cross multiply
    17,574.96x = 26,367.84 × 7,187.52
  4. Step 4: Simplify right side
    17,574.96x = 189,519,377.36
  5. Step 5: Solve for x
    x = 189,519,377.36/17,574.96
  6. Step 6: Final answer
    x = 10,783.49

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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.