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Finding the Fourth Proportional to 38,103.40, 52,596.49 and 31,017.52

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Solution

The fourth proportional to 38,103.40, 52,596.49 and 31,017.52 is: 42,815.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.40 : 52,596.49 = 31,017.52 : x
  2. Step 2: Convert to fraction form
    38,103.40/52,596.49 = 31,017.52/x
  3. Step 3: Cross multiply
    38,103.40x = 52,596.49 × 31,017.52
  4. Step 4: Simplify right side
    38,103.40x = 1,631,412,339.98
  5. Step 5: Solve for x
    x = 1,631,412,339.98/38,103.40
  6. Step 6: Final answer
    x = 42,815.41

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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.