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Finding the Fourth Proportional to 19,298.77, 26,632.78 and 10,800.83

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Solution

The fourth proportional to 19,298.77, 26,632.78 and 10,800.83 is: 14,905.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,298.77 : 26,632.78 = 10,800.83 : x
  2. Step 2: Convert to fraction form
    19,298.77/26,632.78 = 10,800.83/x
  3. Step 3: Cross multiply
    19,298.77x = 26,632.78 × 10,800.83
  4. Step 4: Simplify right side
    19,298.77x = 287,656,079.73
  5. Step 5: Solve for x
    x = 287,656,079.73/19,298.77
  6. Step 6: Final answer
    x = 14,905.41

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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.