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Finding the Fourth Proportional to 17,576.60, 26,364.60 and 4,428.68

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Solution

The fourth proportional to 17,576.60, 26,364.60 and 4,428.68 is: 6,642.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,576.60 : 26,364.60 = 4,428.68 : x
  2. Step 2: Convert to fraction form
    17,576.60/26,364.60 = 4,428.68/x
  3. Step 3: Cross multiply
    17,576.60x = 26,364.60 × 4,428.68
  4. Step 4: Simplify right side
    17,576.60x = 116,760,442.64
  5. Step 5: Solve for x
    x = 116,760,442.64/17,576.60
  6. Step 6: Final answer
    x = 6,642.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.