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Finding the Fourth Proportional to 35,309.25, 48,726.77 and 19,393.97

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Solution

The fourth proportional to 35,309.25, 48,726.77 and 19,393.97 is: 26,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.25 : 48,726.77 = 19,393.97 : x
  2. Step 2: Convert to fraction form
    35,309.25/48,726.77 = 19,393.97/x
  3. Step 3: Cross multiply
    35,309.25x = 48,726.77 × 19,393.97
  4. Step 4: Simplify right side
    35,309.25x = 945,005,174.97
  5. Step 5: Solve for x
    x = 945,005,174.97/35,309.25
  6. Step 6: Final answer
    x = 26,763.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.