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Finding the Fourth Proportional to 35,309.50, 48,726.27 and 19,393.90

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Solution

The fourth proportional to 35,309.50, 48,726.27 and 19,393.90 is: 26,763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.50 : 48,726.27 = 19,393.90 : x
  2. Step 2: Convert to fraction form
    35,309.50/48,726.27 = 19,393.90/x
  3. Step 3: Cross multiply
    35,309.50x = 48,726.27 × 19,393.90
  4. Step 4: Simplify right side
    35,309.50x = 944,992,407.75
  5. Step 5: Solve for x
    x = 944,992,407.75/35,309.50
  6. Step 6: Final answer
    x = 26,763.12

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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.