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Finding the Fourth Proportional to 19,460, 26,854.83 and 11,076.50

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Solution

The fourth proportional to 19,460, 26,854.83 and 11,076.50 is: 15,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,460 : 26,854.83 = 11,076.50 : x
  2. Step 2: Convert to fraction form
    19,460/26,854.83 = 11,076.50/x
  3. Step 3: Cross multiply
    19,460x = 26,854.83 × 11,076.50
  4. Step 4: Simplify right side
    19,460x = 297,457,524.50
  5. Step 5: Solve for x
    x = 297,457,524.50/19,460
  6. Step 6: Final answer
    x = 15,285.59

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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.