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Finding the Fourth Proportional to 5,491.71, 7,576.74 and 3,133.35

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Solution

The fourth proportional to 5,491.71, 7,576.74 and 3,133.35 is: 4,322.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,491.71 : 7,576.74 = 3,133.35 : x
  2. Step 2: Convert to fraction form
    5,491.71/7,576.74 = 3,133.35/x
  3. Step 3: Cross multiply
    5,491.71x = 7,576.74 × 3,133.35
  4. Step 4: Simplify right side
    5,491.71x = 23,740,578.28
  5. Step 5: Solve for x
    x = 23,740,578.28/5,491.71
  6. Step 6: Final answer
    x = 4,322.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.