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Finding the Fourth Proportional to 5,576.96, 8,359.98 and 3,112.96

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Solution

The fourth proportional to 5,576.96, 8,359.98 and 3,112.96 is: 4,666.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,576.96 : 8,359.98 = 3,112.96 : x
  2. Step 2: Convert to fraction form
    5,576.96/8,359.98 = 3,112.96/x
  3. Step 3: Cross multiply
    5,576.96x = 8,359.98 × 3,112.96
  4. Step 4: Simplify right side
    5,576.96x = 26,024,283.34
  5. Step 5: Solve for x
    x = 26,024,283.34/5,576.96
  6. Step 6: Final answer
    x = 4,666.39

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1.5x scale

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.