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Finding the Fourth Proportional to 17,950.45, 26,923.92 and 7,417.48

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Solution

The fourth proportional to 17,950.45, 26,923.92 and 7,417.48 is: 11,125.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,950.45 : 26,923.92 = 7,417.48 : x
  2. Step 2: Convert to fraction form
    17,950.45/26,923.92 = 7,417.48/x
  3. Step 3: Cross multiply
    17,950.45x = 26,923.92 × 7,417.48
  4. Step 4: Simplify right side
    17,950.45x = 199,707,638.12
  5. Step 5: Solve for x
    x = 199,707,638.12/17,950.45
  6. Step 6: Final answer
    x = 11,125.49

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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.