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Finding the Fourth Proportional to 59,576.40, 89,376.60 and 17,456.40

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Solution

The fourth proportional to 59,576.40, 89,376.60 and 17,456.40 is: 26,188.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,576.40 : 89,376.60 = 17,456.40 : x
  2. Step 2: Convert to fraction form
    59,576.40/89,376.60 = 17,456.40/x
  3. Step 3: Cross multiply
    59,576.40x = 89,376.60 × 17,456.40
  4. Step 4: Simplify right side
    59,576.40x = 1,560,193,680.24
  5. Step 5: Solve for x
    x = 1,560,193,680.24/59,576.40
  6. Step 6: Final answer
    x = 26,188.12

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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.