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Finding the Fourth Proportional to 18,875.82, 26,037.87 and 11,702.46

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Solution

The fourth proportional to 18,875.82, 26,037.87 and 11,702.46 is: 16,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,875.82 : 26,037.87 = 11,702.46 : x
  2. Step 2: Convert to fraction form
    18,875.82/26,037.87 = 11,702.46/x
  3. Step 3: Cross multiply
    18,875.82x = 26,037.87 × 11,702.46
  4. Step 4: Simplify right side
    18,875.82x = 304,707,132.16
  5. Step 5: Solve for x
    x = 304,707,132.16/18,875.82
  6. Step 6: Final answer
    x = 16,142.72

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