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Finding the Fourth Proportional to 35,309.30, 48,725.02 and 19,390.66

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Solution

The fourth proportional to 35,309.30, 48,725.02 and 19,390.66 is: 26,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.30 : 48,725.02 = 19,390.66 : x
  2. Step 2: Convert to fraction form
    35,309.30/48,725.02 = 19,390.66/x
  3. Step 3: Cross multiply
    35,309.30x = 48,725.02 × 19,390.66
  4. Step 4: Simplify right side
    35,309.30x = 944,810,296.31
  5. Step 5: Solve for x
    x = 944,810,296.31/35,309.30
  6. Step 6: Final answer
    x = 26,758.11

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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.